Herbs perennial, rhizomatous, with several sheaths surrounding leaf bases. Rhizome subascending, thick, with creeping, long, slender stolons. Leaves several, basal, slightly tufted, petiolate, gradually narrowed to base, many veined. Scape axillary, suberect, naked. Inflorescence a terminal raceme; bracts submembranous. Flowers bisexual; pedicel articulate apically. Tepals 6, free. Stamens 6, inserted at base of tepals; filaments filiform; anthers versatile. Ovary ovoid-globose, 3-loculed; ovules 3 or 4 per locule. Style slender; stigma small. Fruit a berry.
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