Glossary of Plant Anatomy

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juice sac [PO:0006013; plant anatomy term ]
As found in citrus the mature juice sac is a swollen sac with a slender stalk and a sac wall lined with layers of tightly arranged cells. It develops from a single cell of the endocarp. Endocarp develops from the carpellary inner epidermis.
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juvenile vascular leaf [PO:0006339; plant anatomy term ]
A vascular leaf that is distinct from adult leaves, being characterized by particular anatomical traits namely, wax and trichome distribution, presence or absence of epidermal cell types, cell wall shape and biochemistry.
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