Koompassia grandiflora

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Koompassia grandiflora


Giant tree up to 37(-50) m high; bole straight, smooth and cylindric, 1( — 1.2) m in diam.; butresses up to 0.75-5 m high, 3 m wide and 10 cm thick; branchlets glabrous or slightly pubescent. Leaves (3-)7-9(-13)-foliolate; rachis 8-10 cm, slightly and minutely puberulous, glabrescent; petiole 1-4 cm; petiolules short, 2.5-3.5 mm, densely minutely puberulous. Stipules lanceolate, 1-2 mm long, puberulous outside. Inflorescences sometimes branched at the base and appearing as 2 together, 3-6(-10) cm long; rachis pubescent, loosely flowered; pedicels 8-10 mm. Petals creamy green or orange-yellow, lanceolate, 8-11 by 2 mm, acute or acuminate at the apex. Stamens 7-8 mm long; filaments slender, c. 2.5 mm, glabrous; anthers large, lanceolate, 5-6 mm long, usually hairy on the inner side, sharply and conspicuously apiculate. Ovary elliptic-lanceolate, c. 4 mm long, hairy at the basal part and along the margins, the apical part narrowed into the glabrous style (up to 9 mm) and indistinct stigma. Seeds brown, very flat, broadly ovate, c. 3.5 by 2.5 cm.


Asia-Tropical, Central Provinces present, Gulf present, Morobe present, Vogelkop present
Malesia: New Guinea: Irian Jaya (Vogelkop), New Guinea: Papua New Guinea (Morobe, Gulf and Central Provinces).


The timber is used for cabinet making, flooring and general construction work (Verdcourt, I.e.). See under genus.


Verdc. 1979: p. 57. – In: Manual New Guinea Leg., Lae Bot. Bull.: f. 13.