Koompassia malaccensis

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Koompassia malaccensis


Giant tree up to 45(-60) m high and 64(-120) cm in diam.; buttresses steep, planklike, thick and up to 3(-6) m high. Leaves 5-9(-14)-foliolate; rachis slender 6.5-19 cm, pubescent, glabrescent; petiole 1.5-4 cm; petiolules short, 4-7.5(-9) mm, densely minutely puberulous. Stipules broadly ovate, 2-2.5 mm wide, pubescent outside. Inflorescences up to 12 cm long, rachis pubescent, densely flowered; pedicels 0.75-2.5 mm, densely puberulous. Petals orbicular to obovate, c. 2.5 by 1.1 mm, rounded at the apex, glabrous. Stamens nearly half the length of the petals; filaments slender, 0.5-0.75 mm; anthers heart-shaped, about as long as the filaments, glabrous. Ovary c. 1 mm long, densely dark brown puberulous; style very short and stigma indistinct. Seeds very flat, compressed, irregularly oblong, up to 3.3 by 1 cm, purplish black and shallowly rugose.


Asia-Tropical: Borneo present; Sumatera (Sumatera present), Bangka present, Biliton present, Riau Archipelago present, throughout Malay Peninsula present
Malesia: Sumatra, Riau Archipelago, Bangka, Biliton, throughout Malay Peninsula, Borneo.


Timber eminently suitable for heavy permanent structures, and also good for flooring, railway sleepers, dock blocks, fence posts, shingles, etc. See under the genus.


Merr. 1915 – In: Philipp. J. Sc., Bot.: 12.
Ridley 1922 – In: Fl. Malay Penins.: 620
Merr. 1915 – In: Philipp. J. Sc., Bot.: 12
Cockb. 1976: p. 174. – In: Trees Sabah: f. 37
Taub. 1892: p. 641. – In: Ber. Deutsch. Bot. Ges.: f. II: a-c
K. & S.S. Larsen 1984 – In: Fl. Thailand: 84
Corner 1940: p. 397. – In: Wayside Trees: f. 133
Meijer 1974: Field Guide Trees W Mai: 189: f. 45
de Wit 1947 – In: Bull. Bot. Gard. Buitenzorg: 317
Steenis 1932 – In: Bull. Jard. Bot. Buitenzorg: 170
Whitmore 1972 – In: Tree Fl. Malaya: 265
H. Keng 1990: Cone. Fl. Sing.: 36.