e-Flora of Thailand

Volume 2 > Part 4 > Year 1981 > Page 459 > Symplocaceae > Symplocos

10. Symplocos hookeri C.B.Clarkewfo-0001141787

Hook. f., Fl. Br. Ind. 3: 578. 1882; H.R.Fletcher in Fl. Siam. En. 2: 368. 1938; Noot., Rev. Symploc.: 207. t. 17b–e, photogr. 4. 1975.


Accepted Name : This is currently accepted.



Synonyms & Citations :

Symplocos sempervirens Fletcher, Kew Bull. 1937: 508. 1938; in Fl. Siam. En. 2: 389. 1938.


Description : Shrub or tree to 15 m; twigs glabrous; terminal buds glabrous. Leaves obovate, 14–22 cm by 4–12 cm, glabrous with cuneate base and acuminate apex; acumen 3–15 mm; nerves 6–11 pairs, meeting in an intramarginal vein; reticulation usually fine; petiole 12–30 mm. Inflorescence forming a cone in bud, conspicuous by the light grey appressed-pubescent bracts, or cone dark brown and bracts glabrous, becoming at most 5 cm long; bracts 5–8 mm, falling as soon as the flower matures; bracteoles 1–3 mm, falling during anthesis; pedicels 1–3 mm. Calyx glabrous, often wholly divided into 1–3 mm long lobes. Corolla 6–9 mm. Stamens ca 80. Disk flat or cylindrical, shortly pubescent. Ovary glabrous, 1–2 mm high; style glabrous, 5–8 mm. Fruit elliptic to cylindrical, often slightly narrowed to the apex, 13–24 by 5–9 mm; mesocarp rather hard. Seed 1, straight.


Thailand : NORTHERN: Mae Hong Son (Doi Khun Huai Pong), Chiang Mai (Doi Inthanon, Doi Suthep, Mae Lan Noi, Doi Chiang Dao), Tak (Doi Pae Poe); SOUTH-EASTERN: Trat (Tha Kum); SOUTH-WESTERN: Kanchanaburi (Khao Ri Yai, Thong Phaphum).


Distribution : India (Khasia – type), Indochina, China.


Ecology : In tropical evergreen forests, from low altitudes to 1,850 m.


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