Sepals 5, imbricate, the lowest larger and curving up to overlap the other 4, pectinate or fimbriate at the apex, abscissing before the fruit matures.
Petals 5, subequal except the innermost, which is modified to a greater or lesser extent (lesser in the Flora area).
Ovary sessile to shortly stipitate, hairy and with stipitate glands in the Flora area; stigma terminal.
Pod straight or curved, elastically dehiscent, with stalked, swollen headed glands in the Flora area.
Stamens 10, long exserted in the Flora area; filaments densely hairy near the base.
Seeds laterally compressed, often with fracture lines.
Flowers hermaphrodite; pedicels articulated or not.
Flowers in terminal and leaf-opposed racemes.
Hypanthium resembling a short calyx tube.
Shrubs or perennial herbs, unarmed.
Pending.