1.肾形的
1.shaped like or suggestive of a kidney
1.anthers reniform to cordate-orbicular, with locules confluent and dehiscent by an apical valve.
花药肾形的到心形圆形，具汇合的室和顶端裂爿开裂。
2.disseminated ores, sulfides are also encountered as bands, reniform masses, and coatings associated with colloform textures.
有些高品级浸染状矿石中，硫化物类也成层带、肾状块，与胶体结构共生。
3.styles short. Mericarp reniform, mostly spiny tuberculate, sometimes also some smooth, surrounded by persistent tepals.
花柱短肾形的分果爿，多刺具瘤，有时也有一些平滑，被宿存花被包围。
4.Seeds mostly glossy black or iridescent gray, less often brown, orbicular-reniform, minute, often tuberculate, without caruncle.
种子多数黑色的或虹彩灰色的有光泽的，较少通常棕色，肾形圆形，小，通常具瘤，没有种阜。
5.Seeds small, numerous, deltate, deltate-reniform, or lenticular, finely reticulate.
种子小，许多，，三角形肾形，透镜状的或，细网状。
6.Seeds numerous, chestnut-colored, reniform, tuberculate.
种子多数，栗子染色，肾形，具瘤。
7.Leaves oblong or elliptic, or lanceolate, prominently veined; outer tepals reniform, spreading in fruit.
叶长圆形或椭圆形，或披针形，显著脉；肾形的外部花被，在果期开展。
8.Seeds reniform, slightly compressed, rugulose, without protuberances.
种子肾形，稍压扁，微皱，没有突起。
9.Seeds numerous, reniform, minute, tuberculate or smooth; embryo curved.
种子多数，肾形，小，具瘤或平滑；
10.stigma turgid, spirally twisted-tortuous or U-shaped, capitate or reniform and setose-papillose.
柱头肿胀，螺旋缠绕扭曲的或U形，头状的或肾形和具刚毛具小乳突。