Classification
 Nomenclature
Scientific Name:
Biancaea decapetala (Roth) O.Deg. (1936)
Synonymy:
  • Caesalpinia decapetala (Roth) Alston (1931)
  • Reichardia decapetala Roth
 Description

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. as Caesalpinia decapetala (Roth) Alston]

 Biostatus
Exotic
 Phenology

Flowering: Nov.

 Bibliography
Biosecurity New Zealand 4 Aug 2011: Unwanted Organisms Register. http://www.biosecurity.govt.nz/pests/registers/uor [as Caesalpinia decapetala (Roth) Alston]
Howell, C. 2008: Consolidated list of environmental weeds in New Zealand. DOC Research & Development Series 292: 42. [as Caesalpinia decapetala (Roth) Alston]
Ministry for Primary Industries 23 Feb 2017: Unwanted Organisms Register. Version 02.01.02. https://www1.maf.govt.nz/uor [as Caesalpinia decapetala (Roth) Alston]