Slender woody perennial to 30 cm high, glabrous or puberulous. Branches with decurrent leaf bases faint to prominent. Leaves 3–7-foliolate, sometimes lower leaflets ternate, rarely some leaves simple, 10–30 (–40) mm long; petiole and rhachis segments 1–11 mm long; leaflets slender-terete to linear, 5–15 mm long, obtuse to cuspidate, channelled or concave above. Flowers 1–3, axillary; pedicels 2–15 mm long. Sepals broadly ovate and 1.5–2 mm long, to ovate-acuminate and 2.5–5 mm long, thick, glabrous. Petals broadly elliptic, 3–5 mm long, firm, glabrous, prominently glandular all over, white adaxially, blue or pale green abaxially. Stamens: filaments flat, narrowly triangular, ciliate, verrucose apically; anther apiculum flat. Ovary glabrous; style terete, 0.1–0.3 mm long; stigma capitate to fusiform or cylindrical.
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