Volume 8 > Part 1 > Year 2005 > Page 146 > Euphorbiaceae > Bridelia

5. Bridelia harmandii Gagnep.wfo-0000419825

Bull. Soc. Bot. France 70: 433. 1923; in Lecomte. Fl. Indo-Chine 5: 491,f. 63, 2-8. 1926; Airy Shaw, Kew Bull. 26: 228. 1972, Pham-Hoang Ho, Cayco Vietnam 2: 290. 1992: Dressler, Blumea 41: 281. 1996: Dressler & Welzen in Welzen et al., Thai Forest Bull., Bot. 28: 63. 2000.

Accepted Name : This is currently accepted.

Description : Decumbent shrub, up to 60 cm high; branches strongly pubescent when young. Stipules very narrowly triangular, up to 6 by 0.9 mm, abaxially puberulous, long persistent. Leaves: petiole (2.5–)3–5 mm long, densely tomentose; blade broadly ovate to elliptic (to obovate), (2–)3–8 by 1.3–5(–5.6) cm, length/width ratio 1.3–2.1, rigidly coriaceous, subhirsute above, glabrescent, densely pubescent to tomentose beneath, base mainly rounded, margin entire to faintly crenate, apex obtuse (to bluntly acute); venation prominent beneath, nerves in 7–10(–12) pairs, joining marginal vein, tertiary veins reticulate to scalariform. Inflorescences glomerules in axils of normal leaves, with 3–6(–10) subsessile flowers. Flowers whitish yellow; staminate ones (3–)4–5 mm in diam., cup-shaped, not widely opened; pistillate ones 5–6(–7) mm in diam.; pedicel up to 1 mm long; sepals narrow ovate-triangular, 1.5–2 by ca 1 mm, hairy outside; petals rotundate to elliptic, 0.8–1.4 by 0.7–1.2 mm, whitish yellow, base cuneate to spathulate, apex slightly notched; staminal column 0.8–1 mm long; free part of filaments ca 0.5 mm long; anthers shortly ellipsoid, 0.6–0.9 by 0.4–0.7 mm; ovary globose, ca 1 mm in diam.; styles 2, basally united, with stigmas up to 1 mm long; stigmas shortly bilobed. Fruits 3 (4) per glomerule, depressed- and compressed-globose, bilobate, emarginate at apex, 5–7 by 3–5 by 4–6 mm, 2-locular, dull dark reddish to black; endocarp 2, semigloboid, brown. Seeds semigloboid, with ventral furrow, ca 4 by 3.8 by 2.5 mm, blackish.

Thailand : NORTHERN: Tak (Lansang NP), Nakhon Sawan (Hua Wai); NORTH-EASTERN: Loei (Wang Sa Phung), Udon Thani, Khon Kaen; EASTERN: Nakhon Ratchasima (Ban Chum Saeng, Pak Chong, Pak Thong Chai), Surin (Sangkha), Ubon Ratchathani (Non Ngam); SOUTH-EASTERN: Chachoengsao (Roi Pi Botanical Garden), Chon Buri (Khao Khiao).

Distribution : Indochina (Laos – type).

Ecology : Deciduous forests, open dipterocarp forests, open spaces in forests, on sandy soil, sea level to 460 m alt.

Vernacular : Samsa tia (ซำซาเตี้ย)(Loei, Northeastern).