题目内容
马钱子的外形和剖开后子叶叶脉的数目是
2021-10-23
A.椭圆纽扣状，叶脉3条
B.扁圆纽扣状，叶脉5－7条
C.长圆纽扣状，叶脉3－5条
D.卵圆纽扣状，叶脉3条
E.类圆纽扣状，叶脉3－5条
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