PNGTreesKey – Prunus oligantha Kalkman
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
Blumea Vol. 13: 83 (1965)
Other Literature: C. Kalkman, Flora Malesiana, Series 1 341-343 (1993)
Timber Group: Non-timber species
Field Characters: Small sub-canopy tree (rarely more than 15 m high); Bole cylindrical; straight; buttresses buttresses absent; spines spines absent; aerial roots aerial roots absent; stilt roots stilt roots absent; Bark grey or dark brown, terminal buds not enclosed by leaves.
Indumentum: Complex hairs absent; stinging hairs absent; mature twig indumentum (hairs) present, hairs dense to sparse.
Leaves: Leaves spaced along branches, spiral (leaves occurring singly at a node and arranged spirally up the branchlet), simple (a leaf composed of a single blade); petiole present, not winged, attached to base of leaf blade, not swollen; leaves broadest at or near middle to equally broad throughout much of length, 4.0-11.0 (-14.0) cm, 1.0-4.0 cm; symmetric, entire, not dissected or lobed, sub acute or acuminate, venation pinnate, secondary veins open, not prominent, but visible or not visible, intramarginal veins absent; leaves lower surface green, upper surface dark green, indumentum (hairs) present, indumentum (hairs) dense when young or sparse (hairs persistent on lower surface); absent or present (rarely (with 2 small, flat basal glands); domatia absent; stipules present, free, laterally placed, not encircling the twig, leafy (narrowly triangular), not fringed (marginal glands present), large (2.5-5 mm long), persistent.
Flowers: Inflorescence axillary, flowers on an unbranched axis, cones absent; flowers bisexual, stalked, flowers with many planes of symmetry, 3.0-4.5 mm long, diameter small (up to10 mm diam.) (c. 3 mm diam.); perianth present, with distinct sepals and petals whorls, inner perianth pale yellow, pale orange, or pale brown; 6-12, free or some or partly joined (by misinterpretation (sepals and petals joined to mouth of floral tube); stamens 12-30, present, free of each other, free of the perianth or joined to the perianth (by misinterpretation (stamens joined to mouth of floral tube, separate from the petals and sepals); ovary superior, carpels joined (when more than one), locules 1; styles solitary, 1.
Fruits: Infrutescence arranged on unbranched axis, fruit 10.0-13.0 mm long, red when immature, black, or dark purple, not spiny, fleshy, simple, indehiscent, drupe; seeds 1, to about 5 mm long, not winged, broad (as wide as long) (testa glabrous), seed 1-10 mm diam. (c. 4 mm diam.).
Distribution: Western Highlands, Eastern Highlands & Southern Highlands.
in PNGplants database