Perennial. Stem woody, up to 30 cm, branched. Leaves (5-)18-32-jugate; rachis 4-8 cm, slender, often curved, rusty puberulous, especially at the nodes; leaflets rarely overlapping, terminals 3-6 by 1½-4 mm, obovate-oblong, ± as long as the preceding, midrib ± median; others lanceolate, basiscopical half of base rounded, acroscopical half truncate, often drawn out, midrib excentric, margins ± parallel; apex central, obtuse to rounded, apiculate; upper surface appressed-puberulous, beneath ± more pubescent; nerves many. Peduncle 2-5¾ cm, appressed to patently pubescent, eglandular. Pedicels 5-9 mm long, appressed-to patently puberulous, eglandular. Sepals 4-6½ by ¾-2 mm, lanceolate, acuminate, the outer three much wider, ± half as long as the corolla, in fruit 3-7-nerved, 3/5 to ± equalling the pedicel, c. 1.2 times as long as the fruit (excl. styles). Petals 7-9 by 1-2½ mm, apex rounded, white to lavender. Filaments (MF) 2¾-3½ and 4-5¾ mm, (LF) ¾ and 1½ mm, the longer ciliate. Ovary 1½ by 1 mm, glabrous; styles (MF) 2½-3 mm long, (LF) not seen in anthesis; stigma minutely bifid; ovules 3-4 per cell. Fruit 2-3 by 2 mm, puberulous in upper half. Seeds 3-4 per cell (no ripe ones seen).
In crevices of rocks on forest edge, once on limestone, 400-600 m, apparently fl. and fr. all year.
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