Plants annual, fleshy; roots fibrous. Stems prostrate to sub-erect, somewhat woody toward base; trichomes sparse at nodes, sparse to moderate in inflo-rescence; branches to 25 cm. Leaf blades linear to lanceolate, terete, 6-14 × 0.5-3 mm, apex obtuse; involucrelike leaves 5-7. Flowers 20-25 mm diam.; petals connate basally, purple-red, narrowly obovate-cuneate, 10-12 × 6-9 mm, apex deeply 2-lobed; stamens 40 or more; stigmas 4-6(-7). Capsules subglobose, 2.5-5 mm diam. Seeds gray, 0.7-0.8 mm diam.; surface cells mostly stellate, tuberculate. 2n = 18.
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