Herbs , annual, semiacaulescent, very small, glabrous, from taproots; sap clear. Stems branching at and just above ground level, leafy, branches short. Leaves alternate, congested in tufts, sessile; blade unlobed, linear-oblong, fleshy, margins entire. Inflorescences axillary, 1-flowered, much exceeding leaves; peduncle slender. Flowers: sepals 3, distinct; petals 5-7; stamens 6-15; pistil 3-4-carpellate; ovary ovoid, 1-locular; style absent; stigmas 3(-4), linear, radiate-recurved, appressed or adherent to ovary. Capsules erect, ovoid to oblong-ovoid, 3(-4)-valved, dehiscing from apex. Seeds many, brown, oblong-obovoid to ellipsoid, slightly arcuate, 0.6-0.8 mm, glossy, aril absent. x = 8.