Standard yellow, elliptic to oblate, sometimes with slight thickenings at the top of the claw, glabrous or hairy; keel often a little longer than the standard, curved, apically rounded to shortly and bluntly beaked.
Leaves 1–3-foliolate with a distinct petiole, or apparently simple, pulvinate; leaflets needle-like to flat and broad, sometimes lacking; stipules rarely present, linear.
Ovary subsessile to stipitate, with fairly numerous ovules; style curved upwards, slender above the often somewhat thickened lower part; stigma terminal, small.
Stamens in a sheath open on the upper side; anthers alternately basifixed and shorter, dorsifixed (the carinal one somewhat intermediate).
Inflorescences terminal sometimes one-sided racemes, or flowers 1–few on short shoots; bracts and bracteoles small.
Seeds oblong-reniform to oblique-cordiform, with a small hilum.
Calyx with subequal often small lobes.
Shrubs or subshrubs.