Herbs, annual. Stems prostrate, to 0.7 m, copiously sericeous and hirsute with white or gray antrorse hairs. Leaves obovate in outline, 1–4 × 2–4 cm, copiously and conspicuously hairy; stipules 3–6 × 1 mm; leaflets 6–8, broadly elliptic to oblong-ovate or broadly ovate, 12–19 × 5–11 mm, terminal pair largest, surfaces densely hirsute, veins and margins sericeous. Pedicels 5–12 mm in flower and fruit, shorter than subtending leaves, thickened distally, curved or straight. Flowers 5–9 mm diam.; sepals persistent, subulate, 2.5–4 × 1 mm, as long as petals, in flower as long as style, in fruit clasping mature fruit body and 1/2 as long, only scarious margins becoming involute, hirsute, sparingly strigose; petals marcescent, 1-colored, yellow, fading white or orange, obovate, 2–4 × 1.5 mm; stamens as long as style; anthers yellow, ovoid, less than 1 mm; ovary globose, 1 mm diam., hairy; style broadly conic, 0.3–0.5 mm, 1/3–1/2 as long as ovary, hairy; stigma terminal, appearing almost sessile on ovary. Schizocarps broadly ovoid, 4–5 × 6–8 mm, strigillose; beak conic, 1–4 mm, shorter than fruit body, base broadly conic, hirsute; mericarps 4 × 1 mm, abaxially tuberculate, all tubercles rounded, less than 1 mm, sides pitted, adaxial edge angled.
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