e-Flora of Thailand

Volume 2 > Part 4 > Year 1981 > Page 295 > Ebenaceae > Diospyros

4. Diospyros venosa Wall. ex A.DC.wfo-0000649936

Prod. Syst. Nat. 8: 233. 1844; Ng, Mal. For. 40.4: 246 1977.


Accepted Name : This is currently accepted.



Synonyms & Citations :

Maba hermaphroditica Zoll., Syst. Verz. 2: 135. 1854.— Diospyros hermaphroditica (Zoll.) Bakh., Gard. Bull.S.S. 7: 162. 1933; Bull. Jard. Bot. Buitenzorg Sér. 3. 15: 84. 1937.
Maba merguensis Hiern, Trans. Camb. Phil. Soc. 12.1: 134. 1873; Kurz, Fl. Burm. 2: 139. 1877; Clarke in Hook.f, Fl. Br. Ind. 3: 552. 1882; Ridl., Fl. Malay Penins. 2: 280. 1923; Lec. in Fl. Gén. I.-C. 3: 977. 1930.
Diospyros merguensis (Hiern) Fletcher in Fl. Siam. En. 2: 373. 1938.


Description : Evergreen tree, up to 20 m high, twigs unarmed. Leaves ovate or elliptic, 7–15 by 3.5–7 cm, base obtuse, rounded or slightly cuneate, apex acute, obtuse, acuminate or cuspidate, coriaceous or chartaceous, pubescent, glabrescent on both surfaces; secondary nerves 6–10 pairs, 50°–60° to midrib, arched and anastomosing well away from the margin, ± impressed on upper surface, prominent on lower surface; tertiary veins inconspicuous on lower surface; petiole 5 mm long, ± glabrous. Flowers usually bisexual. Male flowers cymose or paniculate, 3(–4)-merous; pedicel ± 2 mm long, pubescent. Calyx campanulate, 1–2 mm long, divided to middle, pubescent outside, glabrous inside. Corolla urceolate, 3–5 mm long, divided to a quarter, ± pubescent outside, glabrous inside. Stamens 6–16, glabrous. Rudimentary ovary glabrous. Female flowers cymose or solitary, 3(–4)-merous; pedicel ± 2 mm long, pubescent. Calyx and corolla as in male flowers but larger. Ovary ovoid, glabrous, 6-locular; styles 2–3, glabrous. Staminodes 3–6, glabrous. Fruit ellipsoid, 1–2.5 cm by 0.7–1.5 cm, dry at maturity, glabrous, obtuse at both ends; fruiting calyx divided ± to half way, glabrous on both sides; lobes reflexed not plicate nor undulate, without nerves; fruit-stalk 1–3 mm long; endosperm smooth.


Distribution : India, Burma, Cambodia, Malay Peninsula, Indonesia (type).


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