Koompassia excelsa

Primary tabs

Koompassia excelsa


Giant tree up to 75(-88) m high, 1( — 2.7) m in diam.; buttresses steep, thick and up to 12 m high; bole straight, smooth and cylindric. Leaves 7-12(-17)-foliolate, rachis slender 6-7.5 cm, pubescent, glabrescent; petiole c. 1.5 cm; petiolules short, 1-2.5 mm, pubescent. Stipules oblong, 2-4.5 mm long, pubescent outside. Inflorescences up to 11 (-12.5) cm long, rachis pubescent, densely flowered; pedicels c. 1.5 mm, densely puberulous. Petals oblong or narrow-elliptic, 2.5-3 by 0.5 mm, acute or acuminate at the apex, glabrous. Stamens slightly longer than the petals; filaments stout, about as long as the anthers; anthers oblong, 2-3 mm long, glabrous. Ovary sessile, oblong or obovate-oblong, compressed, glabrous except some hairs at the basal part; style very short (c. 0.3 mm) and stigma indistinct. Seeds very flat, compressed, oblong, 2-3 by 1 cm.


Asia-Tropical: Borneo (Sabah present, Sarawak present); Malaya (Peninsular Malaysia present), Eastcoast present, Palawan I. present, Peninsula present
S Thailand (Peninsula); Malesia: Sumatra (Eastcoast), Malay Peninsula, Borneo (Sabah, Sarawak), Philippines (Palawan I.).


See under the genus.


Cockb. 1976: p. 172. – In: Trees Sabah: f. 37
Merr. 1915 – In: Philipp. J. Sc., Bot.: 12
de Wit 1947 – In: Bull. Bot. Gard. Buitenzorg: 311
Ridley 1902 – In: Agric. Bull. Str. Fed. Mai. St.: 138
Corner 1952: p. 397. – In: Wayside Trees, ed. 2: t. 102
Becc. 1902: For. Born: 172: f. 34.
K. & S.S. Larsen 1984 – In: Fl. Thailand: 84.
Whitmore 1972 – In: Tree Fl. Malaya: 264
Taub. 1892: p. 641. – In: Ber. Deutsch. Bot. Ges.: f. I; 1-3
Meijer 1974: Field Guide Trees W Mai: 187: t. 13
Ridley 1922 – In: Fl. Malay Penins.: 620