Classification
 Nomenclature
Scientific Name:
Lupinus luteus L., Sp. Pl. 722 (1753)
Vernacular Name(s):
yellow lupin
 Description

Herbaceous annual; stem hirsute, becoming erect, branched at base. Leaflets (5)–9–11, villous above, sericeous below, obovate-oblong, acute, 30–60 × (5)–8–15 mm; stipules subulate to linear-obovate, 8–30 mm long. Infl. 5–25 cm long, many-flowered; peduncle 5–12 cm long. Fls regularly verticillate in distant whorls; pedicels c. 2 cm long. Calyx densely hairy; upper lip very deeply 2-partite; lower lip longer and shallowly 3-toothed, with 2 smaller lobes often present between it and upper lip. Corolla bright golden yellow, sweetly scented, 13–16 mm long. Pod densely villous, 4–6-seeded, 40–60 mm long; seeds orbicular-quadrangular, compressed, smooth, mottled black or brown on white (pure white in some cvs), 6–8 mm diam.

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

 Biostatus
Exotic
 Phenology

Flowering: Sep.–Feb.