perfoliate

a. 茎贯穿叶而生长的, 抱茎状的
【医】 穿叶的(指茎)

名词:perfoliation 

per.fo.li.ate

adj.（形容词）
Of or relating to a sessile leaf or bract that completely clasps the stem and is apparently pierced by it.
抱茎的：属于或关于完全环绕茎部并明显被茎穿过的无柄叶片或苞叶的

来源：
New Latin perfoli3tus
现代拉丁语 perfoli3tus
Latin per [through] * see per
拉丁语 per [穿过] *参见 per
Latin foli3tus [bearing leaves] from folium [leaf] * see bhel- 3
拉丁语 foli3tus [长叶] 源自 folium [叶子] *参见 bhel- 3

【引伸】
perfo.lia.tion
n.（名词）