1. Erythrina arborescens Roxburgh, Pl. Coromandel. 3: 14. 1811.
鹦哥花 ying ge hua
Corallodendron arborescens (Roxburgh) Kuntze.
Trees. Trunk and branches with prickles. Stipules small; petiole longer than leaflets, without or with a few prickles; terminal leaflet reniform, 8-20(-25) cm, both surfaces glabrous, base truncate or almost cordate, margin entire, apex acute; lateral leaflets obliquely broadly cordate. Raceme solitary in axil of terminal leaf, erect, longer than leaves. Flowers in clusters of 3, red, pendulous; bract 1, ovate. Calyx turbinate, truncate or unequally 2-lobed. Corolla red; standard subovate, boat-shaped, ca. 3.2 cm; wings obliquely ovate, shorter than keels; keels ca. 1/2 as long as stamens. Filament slightly shorter than standard, connate near base. Ovary long stipitate; style as long as stamens. Legume curved, 12-19 × 2-3 cm, with obvious beak and stipe. Seeds 5-10, white or brown, reniform, ca. 2 cm. Fl. Jul-Sep, fr. Aug-Feb. 2n = 42.
Mountain valleys, grassy slopes; 400-2100 m. Guizhou, Hainan, Sichuan, Xizang, Yunnan [Bangladesh, Bhutan, India, Myanmar, Nepal, Thailand].
Erythrina arborescens is used for ornament, timber, and medicine.
"Erythrina tienensis" (F. T. Wang & Tang, Ill. Treatm. Princ. Pl. China, 654. 1995) belongs here but was not validly published because no Latin description or diagnosis was provided (Vienna Code, Art. 36.1).