Flowers bisexual , zygomorphic , solitary , often dimorphic ( cleistogamous flowers later than chasmogamous ones ) ; pedicels axillary , 2-bracteolate .

花两性，左右对称，单生，通常二形(闭花授精花比开花受精的晚)；腋生的花梗，具2小苞片。

Plants 15-30 cm , mainly stems pubescent ; nutlets dimorphic .

植株15-30厘米，主要茎短柔毛；小坚果双晶。

Germination characteristics and ecological adaptation of dimorphic seeds of borszczowia aralocaspica .

异子蓬二型种子的萌发与休眠特性及其生态适应。

Stamens dimorphic , twice as many as petals , unequal in length ; filaments filiform ; anthers dimorphic , subulate , linear-subulate , or oblong-linear .

雄蕊二形，为花瓣数的2倍，不等长；花丝丝状；花药二形，钻形，线状钻形，或者长圆状线形。

Leaves dimorphic , leaf blade undivided or divided , apex acute or acuminate .

叶双晶物质，叶片不裂或分，先端锐尖或渐尖。