Perennial, entirely glabrous. Stems to 40 cm, erect or prostrate, sometimes finely papillose, with leaves over the whole length and rosettes in the leaf axils, densely set with swollen petiole-bases in the basal part and below the rosettes, with branches from the axillary rosettes, again with rosettes in the leaf axils. Sheaths nearly 2 by 3 mm, tapering into the petiole; petiole 1-2 cm, canaliculate above; lamina 1-2 by½-1 cm, cuneate, tapering into the petiole, apex with 3-5 triangular, acute teeth. Peduncle 6½-8½ cm, terete, striate; involucres 5-13, nearly 6 by ½ mm, lanceolate, acute; pedicels 15-30, to 5 mm, the inner ones shorter, spreading, somewhat incurved in fruit. Calyx teeth ¾-1½ mm, narrowly triangular or subulate, sometimes unequally developed. Petals nearly 1¼ by ¾ mm, obovate, white or white with purple tinge; styles nearly 1¼ mm. Mericarps to 2½ by 1½ mm, tuberculate or smooth.
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