1.styles partly connate into a column, arms spreading, 2-lobed, papillose.
花柱部分地合生柱状，臂平展的，2裂，具小乳突。
2.leaf blade narrowly linear, laterally flattened, striate when dry, margin minutely papillose, apex acuminate.
叶片狭线形，侧面扁平，干燥时具条纹，边缘细小小乳突，先端渐尖。
3.stigmas not papillose, curved forward, forming a short beak, with a broad stigma hole at tip of beak.
不具小乳突的柱头，弄弯向前，形成一短喙，具一宽的柱头孔在喙顶部。
4.Petals oblong-ovate, lateral ones distinctly bearded, stigma papillose.
卵形花瓣长圆形，侧生的明显具髯毛，柱头具小乳突。
5.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。
6.Calyx shallow and saucer-shaped, papillose, teeth inconspicuous.
花萼浅的和茶托状，具小乳突，不明显的齿。
7.Petals broadly oblong-obovate, lateral ones glabrous, stigma not papillose.
花瓣宽长圆形倒卵形，侧生的无毛，柱头不。
8.Calyx saucer-shaped, with sparse papillose hairs or glabrescent, nearly entire.
花萼茶托状，具稀毛或后脱落，近全缘。
9.Calyx cupular, with papillose hairs, margin undulated lobed.
花萼杯状，具毛，边缘波状浅裂。
10.Stems and leaves glabrous, but sparsely brown papillose at axils and on leaves adaxially; seeds smooth, glabrous.
无毛的茎和叶，但是疏生棕色在腋和在叶上；种子平滑，无毛。