Stout erect perennial, forming large colonies by vigorous growth from a thick rootstock or by sprouting from spreading horizontal roots; stems simple, 30-250 cm, glabrous throughout or densely strigillose above. Leaves narrowly lanceolate or lanceolate, 2.5-20 x 0.4-3.5 cm, glabrous or sometimes with strigillose hairs on the abaxial midvein, obscurely denticulate, spirally arranged, subsessile or attenuate to short petiolate. Inflorescence a simple elongate lax raceme. Flowers drooping. in bud; ovaries densely white canescent, 10-18 mm, on pedicels 7-12 mm long. Sepals 9-13 x 1.6-2 mm, acute, canescent. Petals 12-15 x 7-8 mm, entire, deep pink or magenta or rarely white. Styles l0-20 mm long, initially sharply deflexed, becoming erect after anthers dehisce and reflex, longer than stamens. Stigma deeply 4-lobed and recurved, exserted beyond anthers. Capsules 4-7 cm long, on pedicels 0.7-1.5 cm long. Seeds 1-1.3 x 0.32-0.4 mm, surface irregularly foveolate, the chalazal collar short and inconspicuous; coma 9-12 mm long, white, not markedly deciduous. Chromosome number n = 18, 36, 54.