Plants perennial, caulescent, not stoloniferous, 5–39 cm. Stems 1–10+, decumbent, ascending, or erect, leafy proximally and distally, glabrous or puberulent, from shallow to deep-seated, enlarged rhizome with fleshy to subligneous roots. Leaves cauline; stipules ovate, linear-lanceolate, or oblanceolate, sometimes leaflike, margins entire or glandular-toothed, apex acute to acuminate; petiole 2.7–7.2 cm, usually finely puberulent, sometimes glabrate; blade deltate to ovate, 1–5.5 × 1–5.5 cm, base truncate, subcordate, or attenuate, margins crenate to serrate, ciliate, apex acute to obtuse, surfaces subglabrous or sparsely puberulent. Peduncles 2.9–20 cm, sparsely to densely puberulent. Flowers: sepals lanceolate to ovate, margins ciliate or eciliate, auricles 1–3 mm; petals golden yellow adaxially, upper 2 reddish brown abaxially, lower 3 dark brown-veined, lateral 2 bearded, lowest 10–20 mm, spur dark reddish brown, gibbous, 2–4 mm; style head bearded; cleistogamous flowers absent. Capsules ellipsoid, 5–11 mm, glabrous. Seeds dark brown or black, shiny, 2.7 mm. 2n = 12.
Open, grassy coastal and inland slopes and hillsides, usually in full sun, chaparral, foothill and oak woodland; at elevations up to 1,000 metres.
Can be grown by divisions or seedlings. Seeds needs stratification.
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