Shrublet up to 60 cm tall. Branches becoming spinescent, glabrescent with sparse adpressed hairs. Leaves caducous sessile, linear-oblong, 2-30 mm long, acute. Racemes terminal, lax, 3-30-flowered. Flowers pedicellate. Sepals oblong; inner sepals (wings) pale, glabrous, membranous 7-10 mm long, pink-veined, major veins 3 from base; keel with a prominent red fringe. Capsule 7 x 3.5 mm, obovate, emarginate, winged along the margin, glabrous. Seeds appressed silky, 3-4 mm long; caruncle 3-lobed, with one lobe extended along with seed; crown a central narrow brush of short hairs exceeded by the long silky hairs of the seed.