Herbs, annual or biennial, 5-25 cm tall. Stems spreading or erect, branched basally. Stipules membranous or herbaceous, connate and semirotund on basal stems, distinct and triangular on apical stems. Leaves with 2-6 leaflets, 4-6 basally on stems, usually 2 apically on stems; petiole shorter than leaflets, winged; leaflet blades elliptic to obliquely obovate, 0.6-2.5 × 0.4-1.5 cm, apex obtuse. Flowers axillary, solitary or paired. Pedicel 2-6 mm. Sepals green with white margin, elliptic, 5-6 mm, margin membranous. Petals orange with white margin, ovate, shorter or equal to sepals. Stamens shorter than petals. Capsule cylindric, 1.6-2.5 × 0.5-0.6 cm, apex acute to obtuse. Seeds numerous, ovoid, 3-4 mm, surface maculate, apex acute. Fl. Mar-Jul, fr. Jul-Aug.
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