Tufted perennial (rarely developing ± erect stolons); roots fibrous. Leaves with petioles 15–50 mm long, ± glabrous; lamina trifoliolate, glabrous or with long, sparse ± appressed hairs; lateral leaflets remote, narrowly elliptic, 4–9 mm long, entire to tridentate, sessile or shortly petiolulate; terminal leaflet obovate, 5–12 mm long, trifid, rarely entire (then narrowly ovate or elliptic), petiolule 2–7 mm long. Flowering stems c. 3–12 mm long, sparsely hirsute, 1-flowered. Sepals 5, spreading, ± ovate, 2.5–4 mm long, glabrous or with a few long scattered hairs below. Petals usually 6, oblong to obovate, 4–5 mm long, pale yellow; nectary near petal-base, bracket-like with a minute, fleshy, triangular lobe. Stamens 11–16. Pistils 8–14. Receptacle sparsely hirsute throughout. Achenes ± ovate, sublenticular, 2.3–2.6 mm long, minutely punctate; beak c. 0.4 mm long, recurved.
Home