Volume 5 > Part 1 > Year 1987 > Page 43 > Bignoniaceae > Stereospermum

1. Stereospermum cylindricum Pierre ex P.Dopwfo-0000779620

in Fl. Gén. I.-C. 4: 581. 1930; Santisuk, Thai For. Bull. Bot. 8: 22. 1974; Santisuk & Vidal in Fl. C.L.V.34. Pl. 4, 10–11: 31. 1985.

Accepted Name : This is currently accepted.

Description : Tree 10–25 m high. Leaves 20–50 cm long, 2–4-jugate; leaflets oblong, elliptic-oblong or broadly elliptic, 6–22 by 3–8 cm; base acute; margin entire; pubescent below with few scattered glands, puberulous above; petiolules 4–18 mm long. Flowers white, nocturnal, several in an erect pubescent raceme-like thyrse, with 2–4 flowers in each cluster, 18–25 cm long; bracts and bracteoles linear to linear-lanceolate. Calyx ± cylindrical, 1.7–2.2 cm long, longitudinally ridged, usually with 3 acuminate lobes, pubescent. Corolla creamy-white, funnel-shaped; tube 5–7 cm long. Stamens glabrous at insertion. Capsule 30–45 by 0.5–0.7 cm diam, with 1 faint median ridge on each valve. Seeds ca 2 by 0.4 cm.

Thailand : NORTHERN: Tak, Sukhothai, Nakhon Sawan; NORTH- EASTERN: Khon Kaen; EASTERN: Nakhon flatchasima;SOUTH-EASTERN: Prachin Buri, Chon Buri, Chanthaburi; SOUTH-WESTERN: Prachuap Khiri Khan (Muong-pran [= Pran Buri], bords du fleuve Phee-mong, prov. de Petchapury [= Phetchaburi] – type: Pierre 5426 -BM K L P); CENTRAL: Lop Buri.

Distribution : Cambodia, Vietnam.

Ecology : In open mixed deciduous forests and dry deciduous dipterocarp forests.

Vernacular : Khae si (แคสี)(Southeastern); khae foi (แคฝอย (Central); khae sai (แคทราย)(Eastern).