PO:0005597 cambium A lateral meristem (PO:0020145) that has as part a single layer of cambial initial cells (PO:0000295) and their derivatives, arranged orderly in radial files. PMID 19915089 HCA2 TAIR locus:2170753 PMID 20729381 WOX4 TAIR locus:2825767 PMID 21379334 SUB TAIR locus:2202084 PMID 21379334 WOX4 TAIR locus:2825767 PMID 21379334 ABA2 TAIR locus:2018149 PMID 21379334 RTE1 TAIR locus:2057366 PMID 21379334 AGO4 TAIR locus:2059258 PMID 21379334 EEL TAIR locus:2063275 PMID 21379334 SEN1 TAIR locus:2085687 PMID 21379334 HB-8 TAIR locus:2134088 PMID 21379334 RUL1 TAIR locus:2156784 PMID 21379334 AHP3 TAIR locus:2175643 PMID 21379334 MOL1 TAIR locus:2163665 PMID 21379334 ACA8 TAIR locus:2175579 PMID 21379334 SMXL5 TAIR locus:2175589 PMID 21379334 PXY TAIR locus:2161158 PO:0000295 cambial initial cell An initial cell (PO:0004011) that is part of the vascular cambium (PO:0005598) or cork cambium (PO:0005599), and by periclinal divisions, produces cells to the outside or inside of the cambial axis. PMID 11135120 SUT2 TAIR locus:2056675 PMID 12154144 NTHK1 SGN_gene 7740 PO:0000079 fusiform initial cell 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. PMID 10561069 ARP2 TAIR locus:2092005 PO:0000400 phloem mother cell A cambial initial cell (PO:0000295) which is destined to differentiate into secondary phloem. PMID 16581911 DOF2.4 TAIR locus:2040746 PO:0005598 vascular cambium A cambium (PO:0005597) that is located between and gives rise to secondary xylem (PO:0005848) and secondary phloem (PO:0005043). PMID 17892446 CSLD5 TAIR locus:2024745 PO:0006201 interfascicular cambium A portion of vascular cambium (PO:00055980) that develops from cells in an interfascicular region (PO:0006202) that is part of a shoot system (PO:0009006). PMID 21673009 RWA4 TAIR locus:2019307 PMID 21673009 RWA3 TAIR locus:2062340 PMID 21673009 RWA1 TAIR locus:2170493 PO:0005848 secondary xylem A portion of xylem (PO:0005352) tissue that develops from a vascular cambium (PO:0005598). PMID 17237351 NAC012 TAIR locus:2035604 PMID 17237351 NST1 TAIR locus:2044360 PMID 17322407 IRX9 TAIR locus:2061748 PMID 17322407 GAUT12 TAIR locus:2157543 PMID 17991630 PARVUS TAIR locus:2016432 PMID 18952777 MYB52 TAIR locus:2030903 PMID 18952777 NAC010 TAIR locus:2032580 PMID 18952777 KNAT7 TAIR locus:2015554 PMID 18952777 AtMYB103 TAIR locus:2195528 PMID 18952777 MYB54 TAIR locus:2206910 PMID 18952777 MYB85 TAIR locus:2132584 PMID 18952777 NAC073 TAIR locus:2121387 PMID 18952777 MYB69 TAIR locus:2119171 PMID 21300919 GATL5 TAIR locus:2024740 PMID 21300919 PARVUS TAIR locus:2016432 PMID 21300919 LGT9 TAIR locus:2032357 PMID 21300919 GATL10 TAIR locus:2095420 PMID 21300919 GATL2 TAIR locus:2101724 PMID 21300919 GATL6 TAIR locus:2132218 PMID 17397551 PgMYB2 NCBI_gi DQ399072.2 PO:0025469 cell differentiation stage of secondary xylem A secondary xylem development stage (PO:0025427) that occurs during the interval between the end of a cell division stage of secondary xylem (PO:0025463) and the death of the last living cell in the secondary xylem. PMID 17397551 PgMYB2 NCBI_gi DQ399072.2