Perennial herb or subshrub, green with rather dense cover of hairs, or in woody parts, light grey brown.. Stems 20–50 cm. high, with numerous long ascending branches, rather thin.. Leaves scattered; petioles 2–6 mm. long; lamina elliptic to obovate, 22–50 mm. long, 7–25 mm. broad, obtuse, attenuate at base, sinuately dentate.. Racemes 5–10-flowered, in ripe fruit very lax, up to 25 cm. long; pedicels ascending, stiff, 5–9 mm. long.. Sepals oblong, obtuse, 7–11 mm. long, 1.2–1.5 mm. broad.. Petals white to pinkish, yellowish with age, 15–25 mm. long, 2.5–5 mm. broad, not markedly clawed, apically rounded.. Siliqua linear, straight, 14–25 mm. long, ± 2 mm. broad, transversely septate between the seeds; valves convex, hornless; style ± 1 mm. long; stigma without projections.. Seeds not seen ripe, probably very finely reticulate, perhaps with narrow wing, ± 1.5 mm. long.
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