Acaulescent caespitose, sympodial herbs, rhizomes thin, spreading; roots fibrous, often tuberiferous; leaves alternate, linear to narrowly lanceolate, sessile; inflorescence a reduced dibotyrum, more or less straight; flowers opening wide to flat, slightly zygomorphic, erect to ascending or nearly sessile, pedicels articulated; tepals 6, fused basally or free, white or violet; stamens 6, attached to the tepals basally, filaments long, curved around style, anthers obtuse, basifixed; style 1, long, stigma capitate, curved; ovary hypogynous, 3-locular, ovules axile, 2 per locule; fruit 1-seeded, rupturing in early development, exposing the seed; seed globose or ellipsoid, blackish, fleshy; x = 18.
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