Usually about 60 cm high, with sparsely pilose branchlets. Leaves on the upper parts mostly 3-5 mm long, on the lower parts 5-8 mm long, sessile, ascending, slightly incurved, lanceolate to lanceolate-linear, acute, convex and bluntly keeled on the dorsal surface, flat and with a narrow keel on the ventral surface, at first ciliate, often villous on the dorsal keel, with a tuft of hairs at the base of the ventral surface. Flower-heads about 8 mm long (excluding stamens), obconic, slightly compressed dorsally, involucred by many scale-like oblanceolate ciliate leaves, apparently axillary, crowded in a globose mass 1.5-2 cm long: receptacle densely villous. Bract about 6 mm long, oblanceolate, acuminate, ciliate, keeled on the upper half of the dorsal surface. Bracteoles similar but narrower and glabrous. Calyx-lobes about 4 mm long, oblanceolate-linear, acute, keeled on the dorsal surface, i ciliate. Petals about 5 mm long, obtuse, membranous, conspicuously keeled at the middle, cream-coloured. Stamens twice as long as the petals: anthers 1-5 mm long, oblong. Ovary f inferior, villous on the summit; ovules attached to the middle of the chambers: styles reaching to near the tips of the petals. Seeds about 2-5 mm long, with a ridge within the ventral furrow.
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Thinly hairy shrub to 1.5 m, coppicing from a woody caudex. Leaves linear-deltoid, ascending-incurved, imbricate. Flowers in small heads crowded in dense, globose clusters, cream-coloured.