Class
Order
Family
Genus
Annual or biennial; taproot slender. Rosette lvs with terminal leaflet as wide as rest of lf, and 1–4–(5) pairs of distant lateral leaflets; all leaflets about equal in length. Petals yellow, lilac or white, 13–18 mm long. Silique (2)–5–8-seeded, breaking readily into segments, (20)–30–60–(80) × (2)–3–4–(5) mm; constrictions long, usually shallow; segments ovoid to oblong, usually strongly ribbed; final segment gradually narrowed to apex; apex tapering, (2)–3–4× length of final segment. Seed 1.5–3 mm long.
[From: Webb et al. (1988) Flora of New Zealand. Volume 4.]
Flowering: (Jul.)–Oct.–Apr.–(Jun.); Fruiting: (Jul.)–Oct.–Apr.–(Jun.)