Calyx (4)5–10(13) mm long, pubescent to tomentose or villous with brown or grey, appressed to usually spreading hairs; upper teeth connate for ½–¾ length.
Seeds (6)8–14, 4–5 × 2–3 × 1.5 mm, oblongoid-ellipsoidal or rarely rhomboidal, with a white aril 0.8–1 mm long in the middle of one of the longer sides.
Petals 17–24(28) mm long, usually purple to deep violet, sometimes blue, greenish, red, pinkish or white tinged with purple.
Pods (35)45–100(110) × 4.5–8 mm, brown loosely appressed-pubescent with straight or geniculate hairs.
Stems subglabrous and smooth to densely appressed-or spreading-pubescent.
Ovary pubescent; style pubescent on one or both sides.
Inflorescences various – see subspecies.
Virgate shrub 2–4(6) m high.
Stamen tube joined above.