The development of xylem is of mesarch.Stomata are monocyclic type.
脉、柄、上胚轴
维管束均为外韧型。
;
;纱织品;;;
子;The development of xylem is of mesarch.Stomata are monocyclic type.
脉、柄、上胚轴维管束均为外韧型。
Actinostele A rype of protostele in which the xylem is star shaped and the phloem lies between the points of the star.
原生中柱一种类型。木质部是
，韧皮部位于之间。
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