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.filaments glabrous; anther locules connate, slightly pergent proximally, ellipsoid, longitudinally dehiscent.
花丝无毛合生的药室，分叉下部，椭圆形的稍，纵向开裂。
3.anthers linear-lanceolate, punctate dorsally, longitudinally dehiscent, transversely septate-lobed, apex apiculate.
背披针形花药线形，具点，纵向开裂，横向具隔浅裂，先端具细尖。
4.Capsules dehiscent by an operculum slightly distal to middle.
通过一个盖稍上部至中部开裂的蒴果。
5.anthers ellipsoid, basifixed, locules parallel, longitudinally dehiscent.
花药椭圆形，基着，平行，纵向开裂。
6.A dry , dehiscent fruit composed of a single carpel and opening along a single side , as a milkweed pod .
由单个心皮形成的沿一侧开裂的干果，如马利筋。
7.Utricles ovoid, compressed, membranous, indehiscent or irregularly dehiscent (bursting), falling off with perianth.
胞果卵球形，压扁的，膜质，不裂或不规则开裂（爆裂），与花被一同脱落。
8.anthers narrowly lanceolate, longitudinally dehiscent, punctate dorsally, apex acute.
狭披针形的花药，纵向开裂，背具点，先端锐尖。
9.anther locules rounded, longitudinally dehiscent, connectives broad and square, triangular, or oblong, rarely narrow.
圆形的药室，纵向开裂，宽的药隔和广场，三角形，或长圆形，很少狭窄。
10.anthers connate, dehiscent by an apical pore.
花药合生，顶孔开裂。