Perennial herb, 300-500 mm tall. Leaves 9-10 times as long as broad, linear-lanceolate or lanceolate, mostly broadest at base, scabrous or harshly pubescent. Umbels solitary, terminal, 25-30 mm in diameter, 12-25-flowered, peduncles 90-175 mm long. Corolla lobes reflexed, glabrous. Flowers white, tinted with dull purple outside; corona yellowish.