Caespitose, perennial herbs with short rhizomes and wiry roots. Leaves sessile, crowded, linear, the margins scarious and often lacerated. Flowers bisexual, in open or very compact bracteate cymose panicles. Sepals and petals free, petaloid, opening widely, cream or yellow; petals slightly smaller than sepals. Stamens: 3 inserted on petals, 3 hypogynous; anthers dorsifixed, small. Ovary 3-locular; ovules 2 per locule; style c. as long as perianth; stigma small, simple. Capsule globular, smooth. Seeds spherical.
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