e-Flora of Thailand

Volume 7 > Part 2 > Year 2000 > Page 302 > Oleaceae > Fraxinus

2. Fraxinus floribunda Wall. ex Roxb.wfo-0000832545

Fl. Ind. ed. Carey & Wallich 1: 150. 1820; C.B.Clarke in Hook.f., Fl. Br. Ind. 3: 605. 1882, Lingelsh. in Engler, Pflanzenr. IV 243 (Heft 72): 20. 1920; Gagnep. in Fl. Gén. I.-C. 3: 1065. 1933; Kerr in Fl. Siam. En. 2: 410. 1939; Wei, Z. in Fl. Reipubl. Pop Sin. 61: 19. 1992; M.C.Chang et al. in C.Y.Wu & P.H.Raven, Fl. China 13: 276. 1996. Fig. 21; Plate XI: 2.


Accepted Name : This is currently accepted.


Description : Tree to 15 m tall, dioecious (?), young shoots glabrous. Leaves 15–25(–30) cm long with 5–7 leaflets, leaflets lanceolate, rarely narrowly slender, (5–)7–10(–16) cm long, (1.5–)2.5–4(–7) cm broad; base ± obtuse, very asymmetrical; apex acuminate, glabrous; margins serrate; 7–9 primary veins on each side of the midrib, raised below, immersed above, venation raised reticulate below, obscure to reticulate above; petioles 4–10 cm long, glabrous, petiolules slender, the lateral 7–20 mm long, the terminal 20–25 mm long. Inflorescence axillary, paniculate, glabrous, 10–15(–20) cm long; many-flowered, flowers unisexual ?; bracts small, very early caducous; pedicels 2–4 mm long. Calyx obconic to campanulate, glabrous; tube 0.5–0.75 mm long; lobes virtually absent or about 0.2 mm long and broadly triangular. Corolla white; lobes elliptic, 2.5–3 mm long, 0.5 mm broad. Stamens exserted; filamens about 1 mm long; anthers 2–2.5 mm long; connective developed into a small, acute appendage. Ovary ellipsoid, 1 mm long; style 2.5 mm long, stigma 1.5 mm long. Samara narrowly oblanceolate to subspathulate, 3.5 cm long, apex rounded, seed about 1 cm long, not winged.


Thailand : NORTHERN: Chiang Mai (Pang Tong, Tat Noi, Doi Chiang Dao), Phitsanulok (Phu Rom Ro); NORTH-EASTERN: Loei (Phu Kradueng).


Distribution : India (Uttah Pradesh, Meghalaya, Manipur), Nepal - type, Myanmar, China (southern provinces), Vietnam, Japan (Ryu-Kyu Islands).


Ecology : Evergreen forests, from 800 to 1,800 m alt.


Vernacular : Khae (แค).


E-version notes : As Fraxinus floribunda Wall. In W.Roxburgh, Fl. Ind. 1: 150. 1820.


Main

Figure 21
Plate XI: 2
Fraxinus floribunda Wall. ex Roxb.