Volume 4 > Part 3 > Year 2018 > Page 292 > Leguminosae-Papilionoideae > Dalbergia

4. Dalbergia cochinchinensis Pierrewfo-0000199943

Fl. Forest Cochinch. 5(24): t. 382B. 1898; Prain, Ann. Roy. Bot. Gard. Calcutta 10(1): 83, Pl. 64. 1904; Gagnep. in Lecomte, Fl. Indo-Chine 2: 482. 1916; Craib. Fl. Siam. 1: 475. 1928; Niyomdham et al., Fl. Cambodge, Laos & Vietnam 29: 21. 1997; Niyomdham, Thai Forest Bull., Bot. 30: 130, f. 4. 2002. Fig. 65. Plate XIX: 2–3.

Accepted Name : This is currently accepted.

Synonyms & Citations :

Description : Tree 15–30 m high; young shoots and inflorescences puberulous, glabrescent. Stipules small, caducous. Leaves 13–25 cm long; petioles 2.5–5 cm long; rachis 6.5–15 cm long, glabrous. Leaflets 7–9, ovate to ovate-lanceolate, 3.5–10 by 2–5 cm, apex acute, base obtuse to rounded, glabrous on both surfaces; lateral veins 7–9 pairs, distinct on both surfaces, tertiary veins and reticulation more distinct on lower surface; petiolules 2–5 mm long. Inflorescences terminal and in upper leaf axils, paniculate, 10–20 cm long; bracts and bracteoles small, very early caducous; pedicels ca 1 mm long. Calyx ca 5 mm long, glabrous. Corolla whitish; limb of standard orbicular, ca 3.5 mm in diam., claw ca 1.5 mm long; wing oblong, ca 3.5 by 1 mm, claw ca 1.5 mm long; keel, ca 3.5 by 2 mm, claw ca 1.5 mm long. Stamens 10, in one bundle. Ovary glabrous; ovules 4; stipe hairy. Pods linear-oblong, 4.5–8 by 1 cm; pericarp very thin, fragile, light brown when dry, 1–4-seeded. Seeds reniform, ca 4 by 6 mm, reddish brown.

Thailand : EASTERN: Surin, Ubon Ratchathani; CENTRAL: Saraburi; SOUTH-EASTERN: Sa Kaeo, Prachin Buri, Chachoengsao, Chon Buri, Rayong, Chanthaburi, Trat.

Distribution : Laos, Cambodia, Vietnam (type).

Ecology : In mixed deciduous and dry evergreen forests, near sea level to 200 m alt.

Vernacular : Kra-yong (กระยง), kra-yung (กระยุง)(Khmer-Surin); khayung (ขะยุง)(Ubon Ratchathani); daeng chin (แดงจีน)(Prachin Buri); pradu tom (ประดู่ตม), pradu nam (ประดู่น้ำ)(Chanthaburi); pradu lai (ประดู่ลาย)(Chon Buri); pradu sen (ประดู่เสน)(Trat); pha yung (พะยูง); phayung mai (พะยูงไหม)(Saraburi); hua-li-mo (หัวลีเมาะ)(Chinese).

CommonName : Siamese rosewood.