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.

• 下部茎叶少于3厘米的叶柄；对渐狭的在基部宽楔形的叶片；最下的花少于2(-3.；2)厘米的花梗(22