Glabrous, glaucous, caespitose herb, 0.30-0.45 m high. Leaves of flowering shoots linear-lanceolate, shorter than corresponding internode, 5-11-nerved; margins above lamina base thickened, smooth or sparsely denticulate with membranous teeth; sheath length ± equaling leaf width. Inflorescences 5-15-flowered. Calyx surrounded at base by 2(3) pairs of bracts. Sepals green-tinged, purple in upper part, united, tubular, firm, finely striate, 5-toothed. Petals white or pale pink; limb lacero-fimbriate on antical margin, tapering into claw. Flowering time Nov.-Feb. Fruit a capsule. Seeds black.