三叶海棠下表皮有丝状表皮毛附属物，其它试验品种均无。

M. sieboldii have filamentous epidermal hairs under the abaxial, neither are experimental varieties.

youdao

三叶海棠下表皮有丝状表皮毛附属物，其它试验品种均无。

M. sieboldii have filamentous epidermal hairs under the abaxial, neither are experimental varieties.

youdao