Plants solitary or in clusters, with caudex or thick, fleshy rhizomes. Leaves basal; petiole indistinct, flattened, 3-10 cm; blade linear to oblanceolate, 6-25 cm, fleshy, base cuneate, margins serrulate to denticulate, ciliate, surfaces glabrous or sparsely hairy. Inflorescences (30-)50+-flowered, open to ± crowded, conic to cylindric thyrses, 25-125 cm, hairy proximally, yellow-to pink-tipped stipitate-glandular distally. Flowers: sepals reflexed, ovate to triangular; petals white, not spotted, broadly elliptic to obovate and 2 times as long as sepals, sometimes oblanceolate and equaling or shorter than sepals, clawed, 2-5 mm; filaments linear, flattened; pistils connate to 1/2 their lengths; ovary 1/2+ inferior, often appearing superior in fruit. Capsules green to reddish purple, folliclelike. 2n = 38, 76.
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