Herbs, perennial. Rhizome slender, with dense fibrous roots branched; aerial stems absent. Leaves basal, simple, long petiolate; leaf blade suborbicular in gross outline, not lobed, glabrous, base deeply cordate, venation palmate. Inflorescence terminal; flowers solitary, pale purple. Sepals 6, caducous, petal-form. Petals 6. Stamens opposite petals; filaments flat. Pistils 1; stigma disciform; ovules numerous, placentation marginal. Capsules leathery, obliquely dehiscing longitudinally. Seeds numerous, black. 2n = 12.
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