| 释义 |
1 ?叶先 ... root apex 牙根尖,根头... leaf apex 叶先,叶端,叶尖... apex auriculae 耳廓尖 ... 2 [植]?叶端 ... leaf abscission 叶离现象 leaf apex 叶端 leaf area 叶面 ...
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Leaf blade oblanceolate, to 20 cm, apex obtuse or rounded. - 2
The promeristem in the shoot apex consists of tunica, corpus and leaf primordium. - 3
Leaf buttress a leaf primordium, appearing as a protuberance on the side of the stem apex, produced by periclinal division of the tunica and corpus, and associated with a procambium. 顶端分生组织上的侧生突起发育成叶的原基，与原形成层有关。
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