Compilation
Erythrina hastifolia

Suffrutex with woody rootstock, rarely a small tree to 4 m tall, stems armed with scattered prickles, to 8 mm long. Leaflets 4.8–13.5 × 4.5–12.2 cm, ovate to broadly ovate, apiculate, often hastate with long apices, rarely narrowly oblong and acuminate, glabrous except when young; midvein and principal veins sparsely aculeate; petioles 2.5–13 cm long, usually armed with prickles; petiolules 3–5 mm long; stipules minute, caducous; stipels minute, glandular. Inflorescence a terminal or axillary pseudoraceme, many-flowered; peduncle 7.7–28 cm long, glabrous; rhachis 5–13.5 cm long, glabrous; pedicels 2–6 mm long, ferruginous tomentose when young. Calyx 5-lobed, ferruginous tomentose when young; tube 7–10 mm; lobes 1.5–3 mm long, narrowly to broadly triangular. Corolla scarlet, glabrous; standard 2.4–4.8 × 1.6–2.4 cm, elliptic to obovate; wings 6–8 × 4–6 mm; keel 3–6 × 2–5 mm, the petals fused along their lower margins. Vexillary stamen free almost to the base, others fused along two-thirds their length. Ovary 1–1.6 cm long, narrowly cylindrical, appressed hairy. Pod black, 10–25 cm long, woody, moniliform, 4–11-seeded, 1–3 aborting. Seeds red, 6–8 × 4–5 × 4–5 mm, reniform, with a black elliptic hilum.