Petiole of lower stem leaves less than 3 cm; leaf blade broadly cuneate to attenuate at base; pedicels of lowermost flowers less than 2(-3.2) cm.是什么意思_Petiole of lower stem leaves less than 3 cm; leaf blade broadly cuneate to attenuate at base; pedicels of lowermost flowers less than 2(-3.2) cm.在线翻译_英语_读音_用法_例句