Compilation
Erythrina tomentosa

Tree 3–8(10) m tall; bark dark grey, corky with deep longitudinal and transverse fissures; stems and branches armed with scattered large conical spines up to 1 cm long. Leaflets with scattered prickles along nerves; terminal leaflet deltate to oblate, often broader than long, 7–25 × 6–30 cm; laterals 6–22 × 7–22 cm, broadly ovate to deltate, the base often somewhat asymmetric; petiole 12–30 cm long, glabrous when mature, rarely with one or two prickles; rhachis 6–15 cm long, tomentose when young becoming glabrous; petiolules 4–20 mm long, tomentose; stipules 6–8 × 4–5 mm, ovate; stipels minute. Inflorescence a terminal pseudoraceme produced before or with young leaves; peduncle 15–24(30) cm long, densely pale tomentose; rhachis 4.5–9 cm long, with the flowers in fascicles; bracts 1.2–2 cm long, linear-obovate, densely white tomentose, membranous; pedicels 7–9 mm long, villous; bracteoles 1.4–2 cm long, linear, villous. Calyx spathaceous, 5-lobed, split fully abaxially by the emergent corolla; tube 1.3–3 cm long; lobes 7–18 mm long, narrowly-cylindrical to filiform; corolla scarlet save white margins of wings, glabrous; standard 4.5–5.5 × 2.8–3.3 cm, oblong-elliptic, reflexed back to expose the stamens; wings 2.2–2.5 × 1–1.2 cm; keel petals free, 1.7–2 × 1.3–1.5 cm. Vexillary stamen fused along a quarter of its length, others fused into a tube along one-third to half their length. Ovary 1.5–2 cm long, narrowly cylindrical-filiform. Pod 18–25 × 2–3 cm, falcate, moniliform becoming glabrous at maturity, (1)3–4(6)-seeded. Seeds red, reniform, 11–15 × 9–10 × 6–7 mm; hilum black, 7–8 mm long, broadly elliptic.