Caesalpinia parviflora

Author: Prain

Morphological description (parviflora Caesalp compl FT17 )
Liana or small tree; branchlets with recurved prickles, hairy. Stipules lanceolate to broadly ovate-oblong, 8–20 by 3–11 mm, sessile, subpersistent.

Leaves: bipinnate; rachis 14–35 cm, hairy, often with recurved prickels; pinnae 8–19 pairs; rachides on the underside often with prickles . Leaflets opposite, 13–18 pairs per pinna, sessile, oblong, 7–26 by 2.5–9 mm; base obliquely truncate; apex retuse, sometimes truncate; both surfaces slightly shortly hairy or glabrous.

Inflorescences supra-axillary and terminal, paniculate, up to 100 cm long, the rachis densely shortly hairy; bracts linear, lanceolate, or broadly ovate, (1.5–)5–6 by 0.25–1 mm; pedicels 4–11 mm, articulated c. 0.5 mm below the top.

Flowers: Hypanthium c. 1–2 mm deep and 3–5 mm wide. Sepals 2–7 by 1–3 mm. Petals oblong, 5–8 by 1.5–4 mm, clawed (claw up to 2 mm long). Stamens exserted; filaments 5–10 mm; anthers c. 0.5 mm long, glabrous. Ovary 2–4 by 1–1.5 mm, hairy, 2-ovuled; style 3–6 mm, hairy at the basal part; stigma obscure.

Pods (pedicels 11–15 mm), obovoid, up to 10 by 3.5 cm, apex obtuse, base rounded, upper margin ending in a sharp beak, 1- or 2-seeded.

Seeds orbicular, flat, up to 2 cm in diameter, smooth.

Thailand, Malesia: Malay Peninsula (Perak, Selangor, Negri Sembilan), Borneo (Sabah), Philippines (Palawan).

Primary forests and clearings at low altitudes.