Inflorescences supra-axillary, 1–3-flowered; pedicels 1.2–2.4 cm long in flower, elongating slightly in fruit, spreading hairy.
Ovary 4–6 mm long, densely appressed-pubescent; style 4–6 mm long, almost glabrous; stigma terminal.
Sepals 6.2–10.5 × 1.4–3.8 mm, narrowly ovate, acuminate, spreading hairy outside.
Petals yellow, 6.3–12.2 × 4–8 mm, broadly obovate to elliptic.
Seeds mid-brown, shiny, 2.5–3 × 1.3–1.5 mm, oblong-rhomboid.
Stems terete, hairy; hairs mostly straight and spreading.
Pods 4.5–5 × 0.4–0.5 cm, sparsely hairy.
Stamens 10, four longer than the rest.
Annual or perennial herb.