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PNGTreesKey Prunus turneriana (F.M.Bailey) 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

Prunus turneriana (F.M.Bailey) Kalkman

Blumea Vol. 13: 81 (1965)

Other Literature: C. Kalkman, Flora Malesiana, Series 1 347-348 (1993)

Family: Rosaceae
Dicotyledon

Timber Group: Non-timber species

Field Characters: Large canopy tree (up to 30 m high) or Small sub-canopy tree; Bole cylindrical; straight; buttresses buttresses present (sometimes slightly buttressed) or buttresses absent; spines spines absent; aerial roots aerial roots absent; stilt roots stilt roots absent; Bark grey or brown, slightly rough or smooth, slightly pustular, lenticels elongated vertically, terminal buds not enclosed by leaves.

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

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 above middle (slightly (sometimes), usually broadest at or near middle, or broadest below middle, 7.0-23.0 cm, 4.0-11.0 cm; symmetric, entire, not dissected or lobed, rounded, obtuse, or acuminate (slightly (acumen very short), venation pinnate, secondary veins open, prominent, intramarginal veins absent; leaves lower surface yellow or brown, upper surface dark green, indumentum (hairs) present, indumentum (hairs) dense when young or sparse; present (with 2-6, flat basal glands); domatia absent; stipules present, free, laterally placed, not encircling the twig, leafy (ovate to triangular), fringed, large (4-7 mm long, rarely to 15 mm), persistent.

Flowers: Inflorescence axillary or on the trunk or branches, flowers on an unbranched axis, cones absent; flowers unisexual (often male) or bisexual, stalked, flowers with many planes of symmetry, 8.0-18.0 mm long, diameter large (more than10 mm diam.) (c. 10 mm diam.); perianth present, with distinct sepals and petals whorls, inner perianth yellow or green; 6-14, free or some or partly joined (by misinterpretation (sepals and petals joined to mouth of floral tube); stamens 15-50, 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 17.0-33.0 mm long, black (hairy), not spiny, non-fleshy (woody), simple, indehiscent, drupe; seeds 1, to about 5 mm long, not winged, broad (as wide as long) (testa usually sparsely hairy, especially near apex, sometimes glabrous), seed 1-10 mm diam. (c. 4 mm diam.).

Distribution: Morobe, Southern Highlands & Northern.


Prunus turneriana
Botanical records
in PNGplants database

Map details



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Notes: Notes Previously known as Prunus glomerata (Koehne) Kalkman.

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