Erect perennial 20–80 cm high. Branches slender, glabrous or sparsely woolly. Leaves usually caducous, shorter than internodes, glabrous or sparsely woolly; lower leaves linear, thick, 2–4 cm long; upper leaves semiterete, 1–4 cm long. Flowers 3–8 in terminal umbelliform cymes; pedicels slender, 1–5 mm long, glabrous to woolly; bracts and scarious basal bracteoles caducous. Sepals narrowly ovate to triangular, 1.5–5 mm long, acute to acuminate, glabrous to densely woolly, dark red, caducous. Petals obovate to broadly obovate, 3–8 (–10) mm long, white to pink. Stamens: filaments slender, terete, glandular-verrucose at apex, glabrous; anthers minutely apiculate. Ovary glabrous or woolly; style slender, 0.5–1.5 long; stigma small.