fascicular cambium [
PO:0006200; plant anatomy term ]
A portion of vascular cambium (PO:0005598) that develops from a procambium (PO:0025275) in a vascular bundle (PO:0005020) that is part of a shoot system (PO:0009006).
More Synonyms: cambium fascicular (Spanish), 維管束内形成層 (Japanese)
Comments: Found in shoot axes (PO:0025029) and vascular leaves (PO:0009025). Portions of fascicular cambium may merge with interfascular cambium (PO:0006201) or the fascicular cambium from adjacent vascular bundles to form a cylinder, or they may remain isolated.
female archesporial cell [
PO:0006015; plant anatomy term ]
An archesporial cell (PO:0030056) that is part of a megasporangium (PO:0025201) and divides to give rise to a megasporocyte (PO:0000431).
More Synonyms: célula femenina arquesporial (Spanish), 雌胞原細胞 (Japanese), female archesporial initial, ovule archesporial cell
Comments: Found in heterosporous ferns and seed plants. May also give rise to sterile cells. In the majority of flowering plants, including Arabidopsis, the female archesporial cell elongates and polarizes longitudinally, and directly differentiates into the megasporocyte or megaspore mother cell. In some flowering plants, it undergoes a periclinal division, and subsequently the inner cell differentiates into the megasporocyte.
fertile lemma [
PO:0009041; plant anatomy term ]
A lemma that encloses a functional flower, with androecium, gynoecium or both.
More Synonyms: 稔性外頴 (Japanese), lemma fértil (Spanish)
Comments: If you are annotating to this structure for Zea mays or other grasses, please also add an annotation to the corresponding spikelet type, if known. Choose the most specific term possible from: ear spikelet (PO:0006320), ear pedicellate spikelet (PO:0006348), ear sessile spikelet (PO:0006349), tassel spikelet (PO:0006309), tassel pedicellate spikelet (PO:0006312), tassel sessile spikelet (PO:0006311).
fiber tracheid [
PO:0000355; plant anatomy term ]
A xylem fiber cell (PO:0000274) with bordered pits with pit cavities.
More Synonyms: 繊維仮導管 (Japanese), fiber tracheid cell, fibrotraqueida (Spanish)
Comments: Fiber tracheids generally have pointed ends and bordered pits that have lenticular to slit-like apertures. If both libriform fiber cells (PO:0004520) and fiber tracheids are present, the libriform fiber cells usually have thicker walls. Fiber tracheids have bordered pits with smaller pit cavities than the vessel members (PO:0002003) or tracheids (PO:0000301) of the same wood and a distinct pit cavity leading to the cell lumen through the cell wall.
fifth order inflorescence branch [
PO:0025107; plant anatomy term ]
An inflorescence branch (PO:0009081) arising from a fourth order inflorescence branch (PO:0025106).
More Synonyms: 第五花序分枝 (Japanese), rama de quinto orden de la inflorescencia (Spanish), sixth order inflorescence axis
Comments:
fifth order infructescence branch [
PO:0025116; plant anatomy term ]
An infructescence branch (PO:0025243) arising from a fourth order infructescence branch (PO:0025115).
More Synonyms: 第五果序分枝 (Japanese), ramificacion de quinto orden de la infructescencia (Spanish)
Comments:
filament [
PO:0009067; plant anatomy term ]
A stalk that is part of a stamen.
More Synonyms: 花糸 (Japanese), filamento (Spanish), PO:0006454, PO:0006474, Poaceae filament, Zea filament
Comments: Supports the anthers. If you are annotating to this structure for Zea mays or other grasses, please also add an annotation to the corresponding floret type. Choose the most specific term possible from: spikelet floret (PO:0009082), tassel floret (PO:0006310), lower floret of pedicellate spikelet of tassel (PO:0006313), lower floret of sessile spikelet of tassel (PO:0006315), upper floret of pedicellate spikelet of tassel (PO:0006314), upper floret of sessile spikelet of tassel (PO:0006316).
filament epidermis [
PO:0006060; plant anatomy term ]
A portion of stamen epidermis that is part of a filament.
More Synonyms: epidermis del filamento (Spanish), 花糸表皮 (Japanese)
Comments:
filament vascular system [
PO:0008014; plant anatomy term ]
A vascular system that includes the totality of the portions of vascular tissue in their specific arrangement in a filament.
More Synonyms: 花糸維管 系 (Japanese), filament vein, sistema vascular del filamento (Spanish)
Comments:
first order inflorescence axis [
PO:0025104; plant anatomy term ]
An inflorescence axis (PO:0020122) that is the primary or main axis of an inflorescence (PO:0009049).
More Synonyms: 第一花序軸 (Japanese), inflorescence rachis, inflorescence rhachis, primary inflorescence axis, primer orden del eje de la inflorescencia (Spanish), ray
Comments: A first order inflorescence axis consists of either a peduncle alone or a peduncle plus its continuation, depending on the form of the inflorescence.
first order infructescence axis [
PO:0025244; plant anatomy term ]
An infructescence axis that is the primary or main axis of an infructescence.
More Synonyms: 第一果序軸 (Japanese), eje de la infructescencia de primer orden (Spanish), infructescence rachis
Comments:
flag leaf [
PO:0020103; plant anatomy term ]
The last mature leaf before the inflorescence in a cereal crop plant.
More Synonyms: hoja en bandera (Spanish), 止葉(boot leaf) (Japanese)
Comments:
floral organ [
PO:0025395; plant anatomy term ]
A plant organ (PO:0009008) that is part of a flower (PO:0009046).
More Synonyms: órgano floral (Spanish), 花器官 (Japanese), flower organ
Comments: Includes phyllomes such as anthers and petals, as well as shoot axes such as androphores and gynophores.
floral organ abscission zone [
PO:0006502; plant anatomy term ]
An abscission zone (PO:0000146) at the base of a flower (PO:0009001) where a floral organ (PO:0025395) separates during floral organ abscission (GO:0010227).
More Synonyms: 落花帯(層) (Japanese), zona de absición de la flor (Spanish)
Comments:
floral organ primordium [
PO:0025477; plant anatomy term ]
A primordium (PO:0025127) that is committed to the development of a floral organ (PO:0025395) and is part of a reproductive shoot apex (PO:0025222).
More Synonyms: 花器官原基 (Japanese), floral structure primordia, portion of floral structure primordium tissue, primordio de organo floral (Spanish)
Comments: If annotating to a primordium of a floral structure, it is better to use the more specific term, such as petal primordium (PO:0000021) or anther primordium (PO:0006089).
flower [
PO:0009046; plant anatomy term ]
A determinate reproductive shoot system (PO:0025082) that has as part at least one carpel (PO:0009030) or at least one stamen (PO:0009029) and does not contain any other determinate shoot system (PO:0009006) as a part.
More Synonyms: basal flower, double flower, 花 (Japanese), flor (Spanish), floret, hermaphrodite flower, monoclinous flower, perfect flower, PO:0004541
Comments: The characteristic reproductive structure of angiosperms. May have as part one or more petals, sepals or tepals. May contain one or more pistillode (PO:0009078), staminode (PO:0009077) or other aborted organs that don't show up in mature form.
flower bract [
PO:0009034; plant anatomy term ]
A bract (PO:0009055) that subtends a perianth (PO:0009058) that is part of a flower (PO:0009046).
More Synonyms: bráctea floral (Spanish), chaff, 花苞(葉) (Japanese), floral bract
Comments:
flower bract primordium [
PO:0025488; plant anatomy term ]
A bract primordium (PO:0025128) is committed to the development of a flower bract (PO:0009034).
More Synonyms: 花苞(葉)原基(可視的) (Japanese), flower bract primordia, portion of flower bract primordium tissue, primordio de la bráctea floral (Spanish)
Comments:
flower bud [
PO:0000056; plant anatomy term ]
A bud that develops into a flower.
More Synonyms: 花芽 (Japanese), floral bud, yema floral (Spanish)
Comments:
flower fascicle [
PO:0025323; plant anatomy term ]
A reproductive shoot system that is a second or higher order inflorescence in which the second or higher order inflorescence branch bears two or more flowers but is not elongated.
More Synonyms: bundle, 花束 (Japanese), fascículo floral (Spanish), floral fascicle
Comments: A fascicle appears to be a cluster of flowers in an axil of a single bract of the main inflorescence. Fascicles are common in some sections of the Fabaceae, where they are second order inflorescences.
flower meristem [
PO:0000229; plant anatomy term ]
A portion of reproductive shoot apical meristem tissue (PO:0008028) that gives rise to the floral organs (PO:0025395).
More Synonyms: ear floret meristem, 花芽分裂組織 (Japanese), floral apical meristem, floral meristem, floret meristem, mersitema floral (Spanish), PO:0006329, PO:0006373, PO:0006374, PO:0025091, Poaceae floret meristem, tassel floret meristem
Comments: In Zea mays and other grasses, the floret meristem is part of a spikelet and develops into a specific type of floret. If you are annotating to this structure for Zea mays or other grasses, please also add an annotation to the spikelet type that the meristem is part of. Choose the most specific term possible from: spikelet (PO:0009051), ear spikelet (PO:0006320), ear pedicellate spikelet (PO:0006348), ear sessile spikelet (PO:0006349), tassel spikelet (PO:0006309), tassel pedicellate spikelet (PO:0006312), tassel sessile spikelet (PO:0006311).
flower nectary [
PO:0009056; plant anatomy term ]
A multicellular glandular structure found in the flower secreting a liquid containing organic substances especially sugars.
More Synonyms: 花蜜腺 (Japanese), floral nectary, nectario floral (Spanish)
Comments:
flower pedicel [
PO:0009052; plant anatomy term ]
An inflorescence branch (PO:0009081) that supports an individual flower (PO:0009046) in an inflorescence (PO:0009049).
More Synonyms: pedicelo (Spanish), 小花柄 (Japanese)
Comments: The bracteoles are borne on the pedicel, which terminates in a flower. A pedicel is the ultimate branch in an inflorescence.
flower pedicel abscission zone [
PO:0025608; plant anatomy term ]
An abscission zone (PO:0000146) that forms as a swelling or joint on the flower pedicel (PO:009052).
More Synonyms:
Comments:
flower vascular system [
PO:0005017; plant anatomy term ]
A shoot system vascular system that includes the totality of the portions of vascular tissue in their specific arrangement in a flower.
More Synonyms: 花維管 系 (Japanese), sistema vascular de la flor (Spanish)
Comments: Because a vascular system is defined as the totality of the portions of vascular tissue in a plant structure, the vascular systems of floral parts are part of the flower vascular system.
fourth order inflorescence branch [
PO:0025106; plant anatomy term ]
An inflorescence branch (PO:0009081) arising from a third order inflorescence branch (PO:0025105).
More Synonyms: 第四花序分枝 (Japanese), fifth order inflorescence axis, rama de cuarto orden de la inflorescencia (Spanish)
Comments:
fourth order infructescence branch [
PO:0025115; plant anatomy term ]
An infructescence branch (PO:0025243) arising from a third order infructescence branch (PO:0025114).
More Synonyms: 第四果序分枝 (Japanese), ramificacion de cuarto orden de la infructescencia (Spanish)
Comments:
free ending veinlet [
PO:0025390; plant anatomy term ]
A leaf lamina vein (PO:0020138) above the first order that is connected to another vein only at one end.
More Synonyms: 自由端細脈 (Japanese), free ending vein, freely ending vein
Comments: May be branched or simple. May be found inside a lamina areole. Usually used with third order or higher veins. If vein order is known, an additional annotation should be place on secondary vein (PO:0020140), tertiary vein (PO:0008021), quaternary vein (PO:0008022), or higher order vein (PO:0008023).
free nuclear endosperm [
PO:0000198; plant anatomy term ]
An endosperm in which at least the first karyokinesis is not followed by cytokinesis.
More Synonyms: cenocytic endosperm, coenocytic endosperm, endosperma con núcleos libres (Spanish), 遊離核型胚乳 (Japanese), nuclear endosperm
Comments:
free petal [
PO:0025569; plant anatomy term ]
A petal (PO:0009032) that is part of a perianth (PO:0009058) that contains fused sepals (PO:0025584) and/or fused petals (PO:0025583), but is separate from the other sepals (PO:0009031) and petals (PO:0009032).
More Synonyms: 遊離花弁 (Japanese), petalo libre (Spanish)
Comments: A free petal (PO:0025569) only occurs in a perianth (PO:0009058) that contains fused sepals (PO:0025584) and/or fused petals (PO:0025583). If you are describing a petal (PO:0009032) that is part of a perianth (PO:0009058) where none of the sepals (PO:0009031) and/or petals (PO:0009032) are fused, you should use petal.
free sepal [
PO:0025587; plant anatomy term ]
A sepal (PO:0009031) that is part of a perianth (PO:0009058) that contains fused sepals (PO:0025584) and/or fused petals (PO:0025583), but is separate from the other sepals (PO:0009031) and petals (PO:0009032).
More Synonyms: 遊離がく片(Japanese), sepalo libre (Spanish)
Comments: A free sepal (PO:0025587) only occurs in a perianth (PO:0009058) that contains fused sepals (PO:0025584) and/or fused petals (PO:0025583). If you are describing a sepal (PO:0009031) that is part of a perianth (PO:0009058) where none of the sepals (PO:0009031) and/or petals (PO:0009032) are fused, you should use sepal.
free tepal [
PO:0025136; plant anatomy term ]
A tepal (PO:0009033) that is part of a collective tepal structure (PO:0025021), along with a fused collective tepal structure (PO:0025138), but is separate from (PATO:0001505) the other tepals.
More Synonyms: 遊離花被片 (Japanese), tépalo libre (Spanish)
Comments: A free tepal (PO:0025136) only occurs in a perianth (PO:0009058) that contains a fused collective tepal structure (PO:0025138). If you are describing a tepal (PO:0025137) that is part of a perianth (PO:0009058) where none of the tepals (PO:0009033) are fused, you should use tepal.
fruit [
PO:0009001; plant anatomy term ]
A multi-tissue plant structure (PO:0025496) that develops from a gynoecium (PO:0009062) and may have as parts one or more seeds (PO:0009010).
More Synonyms: accessory fruit, achene, acorn, aggregate fruit, akene, anthocarp, berry, capsule, caryopsides, caryopsis, circumcissile capsule, citrus fruit, coenocarp, cypsela, diaspore, diclesia, diclesium, diplotegia, diplotegium, drupe, folliceta, follicetum, follicle, fruit, fruto (Spanish), glandes, glans, grain, hesperidia, hesperidium, hip, kernel, legume, loculicidal capsule, loment, lomentum, multiple fruit, nut, nutlet, pepo, PO:0020067, PO:0020068, PO:0020069, PO:0020070, PO:0020071, PO:0020072, PO:0020073, PO:0020074, PO:0020076, PO:0020077, PO:0020078, PO:0020079, PO:0020080, PO:0020082, PO:0020083, PO:0020087, PO:0020107, pod, pome, poricidal capsule, pyxides, pyxis, samara, schizocarp, septicidal capsule, septifragal capsule, silicle, silicula, siliqua, silique, stone fruit, syconia, syconium, syncarp, utricle, 果実 (Japanese)
Comments: A fruit may contain additional plant structures (PO:0009011) that were part of a flower (PO:0009046) and mature along with the gynoecium, such as a receptacle (PO:0009064). A fruit may develop without fertilization in cases of parthenocarpy, apomixis, or other hormone-induced conditions and may not always contain seeds. Fruits only occur in angiosperms.
fruit abscission zone [
PO:0006503; plant anatomy term ]
An abscission zone (PO:0000146) at the base of a fruit (PO:0009001) where the fruit separates from the fruit pedicel (PO:0004536) during fruit abscission (GO:0060867).
More Synonyms: 落果実 (fruit shedding zone) (Japanese), zona de absición del fruto (Spanish)
Comments:
fruit columella [
PO:0004540; plant anatomy term ]
A columella that forms the central axis of a fruit.
More Synonyms: columela del fruto (Spanish), fruit carpophore, fruit columellae, fruit columellas, 果実柱軸 (Japanese)
Comments:
fruit dehiscence zone [
PO:0004707; plant anatomy term ]
A dehiscence zone that is part of a fruit.
More Synonyms: 裂開果帯 (Japanese), zona de dehiscencia del fruto (Spanish)
Comments: Upon fruit maturation by drying, undergoes cell separation, allowing the valves to detach from the replum and seeds to be dispersed.
fruit distal end [
PO:0008001; plant anatomy term ]
A cardinal part of multi-tissue plant structure (PO:0025498) that is the end of a fruit (PO:0009001) distal from a fruit pedicel (PO:0004536).
More Synonyms: blossom end, porción distal del fruto (Spanish), 果実 遠位端 (Japanese)
Comments:
fruit locule [
PO:0025270; plant anatomy term ]
A locule that is a cavity in a fruit and develops from an ovary locule.
More Synonyms: lóculo del fruto (Spanish), 果実室 (Japanese)
Comments:
fruit nucellus [
PO:0008005; plant anatomy term ]
A nucellus that is part of a fruit.
More Synonyms: nucelo del fruto (Spanish), 果実珠心 (Japanese)
Comments:
fruit operculum [
PO:0025298; plant anatomy term ]
A collective organ part structure that is the apical part of a circumsessile capsular fruit that separates from the rest of the capsule during dehiscence.
More Synonyms: fruit lid, fruit opercula, opérculo del fruto (Spanish), 果蓋 (Japanese)
Comments: Develops from the apical portion of a gynoecium. Found in Eucalyptus and other Myrtaceae.
fruit pedicel [
PO:0004536; plant anatomy term ]
An infructescence branch (PO:0025243) that supports an individual fruit (PO:0009001).
More Synonyms: pedicelo del fruto (Spanish), 果柄 (Japanese)
Comments: The ultimate branch in an infructescence.
fruit pedicel abscission zone [
PO:0025605; plant anatomy term ]
An abscission zone (PO:0000146) that forms as a swelling or joint on the fruit pedicel (PO:0004536).
More Synonyms: fruit pedicel joint, pedicel joint
Comments:
fruit placenta [
PO:0004535; plant anatomy term ]
A portion of placenta tissue that is part of a fruit and to which seeds are attached.
More Synonyms: placenta del fruto (Spanish), 果実の胎座 (Japanese)
Comments:
fruit proximal end [
PO:0008002; plant anatomy term ]
A cardinal part of multi-tissue plant structure (PO:0025498) that is the end of a fruit (PO:0009001) proximal to a fruit pedicel (PO:0004536).
More Synonyms: fruit shoulders, porción proximal del fruto (Spanish), 果実 近位端 (Japanese)
Comments:
fruit replum [
PO:0025267; plant anatomy term ]
A portion of fruit placenta tissue that divides a fruit into two or more chambers and develops from a replum.
More Synonyms: fruit dissepiment, replum del fruto (Spanish), 果実隔膜 (Japanese)
Comments: A fruit replum develops from the ovary replum and has no suture line in its center, while a fruit septum (PO:0025262) develops from an ovary septum via the fusion of two adjacent ovary walls. Common in Brassicaceae. Annotations for Arabidopsis fruit should go here, and not under fruit septum.
fruit septum [
PO:0025268; plant anatomy term ]
A septum that divides a cavity or mass of tissue in a fruit and develops from an ovary septum.
More Synonyms: fruit dissepiment, septo del fruto (Spanish), 果実隔壁 (Japanese)
Comments: Annotations for Arabidopsis should go under fruit replum (PO:0025267), not under fruit septum. The partition between two sections of an orange is a fruit septum.
fruit storage parenchyma [
PO:0025037; plant anatomy term ]
A portion of storage parenchyma that is part of a fruit.
More Synonyms: fruit flesh, parénquima de reserva de fruto (Spanish), 果実貯蔵柔組織 (Japanese)
Comments:
fruit valve [
PO:0000033; plant anatomy term ]
A valve that is a part of a fruit that splits apart when the fruit dehisces.
More Synonyms: valva de fruto (Spanish), 果実の弁 (Japanese)
Comments: A valve may develop from an entire carpel (as in Brassicaceae) or from part of a carpel (as in Fabaceae).
fruit vascular system [
PO:0008003; plant anatomy term ]
A vascular system that includes the totality of the portions of vascular tissue in their specific arrangement in a fruit.
More Synonyms: sistema vascular del fruto (Spanish), 果実維管 系 (Japanese)
Comments:
functional megaspore [
PO:0000244; plant anatomy term ]
A megaspore(s) that forms an embryo sac.
More Synonyms: megaspora funcional (Spanish), PO:0006496, Poaceae functional megaspore, 機能的大胞子 (Japanese)
Comments: If you are annotating to this structure for Zea mays or other grasses, please also add an annotation to the corresponding floret type. Choose the most specific term possible from: spikelet floret (PO:0009082), ear floret (PO:0006354), upper floret of pedicellate spikelet of ear (PO:0006350), upper floret of sessile spikelet of ear (PO:0006352).
funicle [
PO:0020006; plant anatomy term ]
A stalk (PO:0025066) that attaches a plant ovule (PO:0020003) to a placenta (PO:0025078).
More Synonyms: 珠柄 (Japanese), funículo (Spanish), funiculi, funiculus, PO:0006466, PO:0006489, Poaceae funicle, Zea funicle
Comments: If you are annotating to this structure for an angiosperm, please add an additional annotation to plant ovary ovule (PO:0025490). If you are annotating to this structure for an gymnosperm, please add an additional annotation to ovuliferous scale ovule (PO:0025491). If you are annotating to this structure for Zea mays or other grasses, please also add an annotation to the corresponding floret type. Choose the most specific term possible from: spikelet floret (PO:0009082), ear floret (PO:0006354), upper floret of pedicellate spikelet of ear (PO:0006350), upper floret of sessile spikelet of ear (PO:0006352).
fused calyx [
PO:0025582; plant anatomy term ]
A calyx (PO:0009060) that is composed of fused sepals (PO:0025584).
More Synonyms: caliz fusionado (Spanish), connate sepal structure, 融合がく(Japanese)
Comments:
fused collective tepal structure [
PO:0025138; plant anatomy term ]
A collective tepal structure (PO:0025021) in which there are at least two fused tepals (PO:0025137).
More Synonyms: compound tepal, connate tepal structure, estrutura colectiva de tépalo fusionado (Spanish), 複数の融合花被片構造 (Japanese), syntepalous perianth
Comments:
fused corolla [
PO:0025581; plant anatomy term ]
A corolla (PO:0009059) that is composed of fused petals (PO:0025583).
More Synonyms: connate petal structure, corola fusionada (Spanish), 融合花冠 (Japanese)
Comments:
fused perianth [
PO:0025580; plant anatomy term ]
A perianth (PO:0009058) in which one or more of the petals (PO:0009032), sepals (PO:0009031), and/or tepals (PO:0009033) are fused (PATO:0000642).
More Synonyms: 融合花蓋、花被 (Japanese), perianto fusionado (Spanish)
Comments: The petals (PO:0009032), sepals (PO:0009031) and tepals (PO:0009033) may be fused anywhere along the phyllome margin (PO:0025018). In some cases where the calyx (PO:0009060) and corolla (PO:0009060) are fused at the base it is referred to as a perianth tube.
fused petal [
PO:0025583; plant anatomy term ]
A petal (PO:0009032) that is part of a fused corolla (PO:0025581) or a fused perianth (PO:0025580).
More Synonyms: 融合花弁 (Japanese), petalo fusionado (Spanish)
Comments: In fused perianth (PO:0025580), the fused petal (PO:0025583) may be joined to a fused sepal (PO:002569) or another fused petal.
fused sepal [
PO:0025584; plant anatomy term ]
A sepal (PO:0009031) that is part of the fused calyx (PO:0025582) or a fused perianth (PO:0025580).
More Synonyms: 融合がく片 (Japanese), sepalo fusionado (Spanish)
Comments:
fused tepal [
PO:0025137; plant anatomy term ]
A tepal (PO:0009033) that is part of a fused collective tepal structure (PO:0025138) in which it is fused to at least one other tepal.
More Synonyms: 融合花被片 (Japanese), tépalo fusionado (Spanish)
Comments:
fusiform initial cell [
PO:0000079; plant anatomy term ]
An elongated cambial initial cell (PO:0000295) with approximately wedge-shaped ends that is part of the vascular cambium (PO:0005598) and gives rise to axial cells.
More Synonyms: célula inicial fusiforme (Spanish), 紡錘形始原細胞 (Japanese), fusiform initial, PO:0000275, xylem initial, xylem mother cell
Comments: