plant growing on rocks, about 10–12 cm high, stemless or a little stemmed, stoloniferous. leaves about 20, not narrowing above the sheath; sheath 2–3 cm long, 3–4 cm wide, both sides glabrous; blade linear-triangular, 6–12 cm long, 1–2 cm wide, channelled, acuminate, pungent, thick and rigid, both sides densely crust like covered with white scales, like a hairy membrane, equally above and below, the spiny edges of the leaves are shown in a depressed line on the leaf above, in a dry state coiled-recurved, edges at least armed with spreading spines, rigid, sharp, 2–3 mm long, in a dry state in fact the spines are turned backwards, becoming spiny and curved towards the base of the leaves. inflorescence with about 20 flowers divided into 2–3 flowered fascicles, which are in the axils of the leaf bracts; floral bracts hooded, blunt keeled, outside white lepidote, later glabrous except for the tip, 11 mm long, entire, tip mucronulate but not emarginate, equalling the sepals. flowers 20 mm long, all hermaphrodite; sepals 11 mm long, linear-lanceolate, lightly blunt keeled, connate at the base, tip mucronulate, but not emarginate, and white lepidote; petals 17 mm long, white, spathulate, obtuse, reflexed at anthesis. stamens shorter than the petals but exserted about anthesis, anthers 3 mm long, linear, tip with two mucrons. pistil: ovary almost triangular, 4–5 mm long, glabrous, ovules blunt and about 6–12 per ovary, joined to the top of the locule.Edited from : Bradea. (protologue) .