Lupinus angustifolius L.

Herbaceous annual becoming somewhat woody at fruiting; stems sericeous, branched. Leaflets 6–9, glabrous above, sericeous below, elliptic-oblong to linear, obtuse, 15–40 × 2–5 mm; stipules linear-subulate, 4–10 mm long. Infl. 3–13 cm long, few- to many-flowered; peduncle 5–30 mm long. Fls usually alternate, sometimes subverticillate in upper part of infl.; pedicels 2–4 mm long. Calyx densely hairy; upper lip very deeply 2-partite; lower lip longer and entire or shallowly 3-toothed, with 2 smaller lobes often present between it and upper lip. Corolla light blue to dark purplish blue, not scented, 11–15 mm long. Pod villous, 3–6-seeded, 45–60 mm long; seeds globular, smooth, variously mottled grey, brown and yellow, 4–8 mm diam.

[From: Webb et al. (1988) Flora of New Zealand. Volume 4.]

Flowering: Aug.–Apr.