PNGTreesKey – Aceratium tomentosum Coode


Barry Conn (NSW) & Kipiro Damas (LAE).
Guide to trees of Papua New Guinea
Copyright held by the authors, National Herbarium of New South Wales, and Papua New Guinea National Herbarium

Aceratium tomentosum Coode

Brunonia Vol. 1: 148 (1978)

Other Literature: M.J.E. Coode, Handbooks of the Flora of Papua New Guinea Vol. 2: 50 (1981)

Family: Elaeocarpaceae

Timber Group: Non-timber species

Field Characters: Large canopy tree or Small sub-canopy tree (up to 17 m high); Bole cylindrical (often slightly irregular near base, up to c. 30 cm diam.); straight (bole 8-9 m long); buttresses buttresses absent; spines spines absent; aerial roots aerial roots absent; stilt roots occasionally stilt roots present or stilt roots absent; bark exudate (sap) absent; terminal buds not enclosed by leaves.

Indumentum: Complex hairs absent; stinging hairs absent; mature twig indumentum (hairs) present, hairs dense.

Leaves: Leaves spaced along branches, opposite (in pairs, opposite one another on the branchlet), simple (a leaf composed of a single blade); petiole present, not winged, attached to base of leaf blade, not swollen; leaves broadest above middle, broadest at or near middle, or occasionally broadest below middle, (5.0-) 6.0-8.0 (-12.0) cm, 4.0-6.0 cm; symmetric, entire or serrate to dentate (toothed) (shortly and obscurely), not dissected or lobed, obtuse or rarely acute, venation pinnate, secondary veins open, prominent, intramarginal veins absent; leaves lower surface pale green or brown (slightly hairs brown), upper surface green, indumentum (hairs) present, indumentum (hairs) dense; absent; domatia absent; stipules absent.

Flowers: Inflorescence axillary, flowers on an unbranched axis, cones absent; flowers bisexual, stalked; ovary superior, carpels joined (when more than one), locules 2 (with 3 obscure locules); styles free, 1.

Fruits: Infrutescence arranged on unbranched axis, fruit 25.0-40.0 mm long, 20.0-24.0 mm diam., red, not spiny, fleshy, simple, indehiscent, drupe; seeds 2, about 10 mm long, not winged, narrow (longer than wide), seed 1-10 mm diam.

Distribution: Morobe, Western Highlands & Southern Highlands.

Aceratium tomentosum
Botanical records
in PNGplants database

Map details