Caesalpinia decapetala (Roth) Alston

Spinous scrambling shrub to c. 15 m tall; twigs moderately to densely puberulent, finely ribbed, rounded. Lvs 2-paripinnate; pinnae in (3)–5–10 pairs; leaflets with fine, usually appressed hairs, oblong, obtuse, entire, shortly petiolulate, 8–20 mm long, in 6–12 pairs; stipules ovate-lanceolate, deciduous; spines broad-based, recurved, present on stem and lf-rachis. Infl. axillary or terminal, racemose, many-flowered, > lvs; bracts and bracteoles deciduous. Calyx teeth unequal, rounded. Corolla pale yellow, c. 15 mm long. Pod broad, oblong, tardily dehiscent, few-seeded, 7–10 × 2–3 cm; seeds smooth, mottled brown, 8–10 mm long.

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

Flowering: Nov.