题目内容
非薄荷茎组织横切面的特征是
2022-01-06
A.表皮外被角质层，有腺毛，腺鳞和非腺毛
B.内皮层明显
C.皮层在四棱脊处有厚角细胞
D.木质部在四棱处发达
E.薄壁细胞中含草酸钙针晶
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