climbing shrubs. Leaves pinnately trifoliolate; stipules lanceolate; stipels
subulate. Flowers fasciculately racemose; bracts and bracteoles membranous,
caducous. Sepals 5, connate in a campanulate tube. Petals exserted. Stamens 10,
vexillary filaments free below, connate from the middle with the rest, anthers
uniform. Ovary subsessile, 2 or more-ovuled, styles incurved, beardless,
stigmas terminal, capitate. Fruit a pod, few-seeded, flattened or angled,
occluded but not septate between the seeds. Seeds somewhat compressed.