Description
Key Characters:
Growth Form:
Shrubs, trees, or perennial herbs, pubescent with simple hairs.
Stems:
Roots:
Leaves:
Leaves compound (even-pinnate).
Alternate.
Leaflets alternate to opposite; leaflets numerous (usually more than 10 pairs), alternate to opposite; the rachis ending in a short bristle.
The rachis ending in a short bristle.
Stipules usually fugacious. Leaflets stipellate.
Flowers:
Flowers in axillary racemes.
Flowers papilionaceous; Pedicels articulated at apex, bracts and bracteoles minute, hypanthium present.
Calyx campanulate, 5-toothed.
Corolla variously colored, standard orbicular or ovate, with 2 spreading or parallel appendages near center of base of blade, wings oblong, falcate, transversely ribbed, short–clawed, keel petals incurved, long clawed.
Stamens 10; upper stamen distinct or very loosely adherent to the others, the other 9 connate into a tube; anthers dorsifixed, opening by longitudinal slits.
Ovary superior.
Fruit:
Pods linear; usually becoming subterete; dehiscent by spirally curved valves; sometimes tardily so; or rarely indehiscent; transversely septate and slightly constricted between the seeds; apex beaked.
Seeds (8–)20–50; ellipsoid; slightly laterally flattened; often narrowly rim–arillate around hilum.
Ploidy:
Habitat:
Elevation Range: