Perennial herbs with long, slender, decumbent or ascending, glabrous or minutely puberulous, sparsely leafy, flowering stems. Lower leaves 8-12 cm long, 3-4-pinnatipartite in the upper part of the leaf, petiolate, rosulate; lobes short, linear. Upper leaves smaller, less lobed; the uppermost simple; all leaves minutely grey puberulous on both surfaces. Flowering stems branched above, with lax, terminal racemes. Pedicels slender, straight, spreading, glabrous or puberulous, 3.5-8 mm long in fruit. Sepals 1-1.3 mm long, ovate-oblong, green, membranous-margined. Petals 0.8-1 mm long, linear-spathulate, white. Stamens 6; filaments subulate, thickened at the base. Nectaries small, triangular. Siliculae 2.7-3.2 x 1.7-2.2 mm, ovate or ovate-elliptical, emarginate, the style projecting conspicuously. Seeds 1.5-1.7 x 0.7-0.9 mm, ellipsoid.
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