Anacolosa papuana G.Schellenb.

Species

Angiosperms > Santalales > Olacaceae > Anacolosa

Characteristics

Small tree, occasionally up to 15 m; trunk up to 10 cm ø; bark smooth, light brown, with shallow longitudinal fissures. Branchlets glabrous, minutely lenti-cellate. Leaves oblong to oblong-elliptic, apex shortly acuminate, tip acute or bluntish, base cuneate, firmly membranaceous to subcoriaceous, dark green above, lighter below when fresh, becoming dull and brown in the dry state, glabrous, more or less densely and finely tubercled and wrinkled on both faces though mainly beneath in dry specimens, pellu-cid-punctulate against strong light, variable in size even in the same specimen, (8-) 10-26 by (3-) 4-7 (-10) cm; nerves 5-6 pairs, curved-ascending, raised beneath only, reticulations obscure; petiole 0.5-1 (-1.3) cm. Flowers 2-8 per sessile cluster, the latter on small woody scaly warts or tubercles, or on top of cylindrical woody axes (2-3, rarely-6 mm); pedicels 0.5-1 (rarely-2) mm. Calyx cupular to almost patelliform, entire, c. 3 mm ø, attenuate at base towards to pedicel. Petals (5-) 6 (-7), lanceolate, acute, fused in the lower part, thickish, white or cream, bearded at base of free part, glabrous below, 2-3 (rarely-4) by c. 1 mm. Stamens 5-7; filaments flat, glabrous; anthers bearded distally. Disk cupular, flattish. Ovary ovoid, glabrous; style very short. Drupe subglobular to slightly obovoid, the apex obtuse-rounded, rarely subtruncate, the remains of the style very short, smooth or usually shallowly tubercled in the dry state, yellowish to orange initially, finally deep cherry-red, (1.5-) 1.8-2.5 (sometimes-3.5) by 1.3-2 (-2.5) cm, on stoutish peduncle up to 5 mm; pericarp thin-fleshy; endocarp woody, smooth or warted, 0.5-1 mm. Seed 1.
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Shrub, sometimes scrambling, glabrous except flowers. Branchlets terete, slightly flexuose. Leaves elliptic to obovate, obtuse, flat; lamina 4-12 cm long, 2-5.5 cm wide, discolorous; lateral nerves 3-4 each side, openly reticulate between; petiole 7-10 mm long with 2 ridges decurrent from lamina. Inflorescence rachis c. 1 mm long; flowers developing successively; pedicels c. 1 mm long, each inserted in involucre of very small bracteoles. Calyx broadly cupular, c. 1 mm long, irregularly 5-7-lobed. Corolla 2-3 mm long, cream; lobes very thick, shortly bearded behind anthers. Stamens c. 1 mm long; filaments very broad, cohering. Disc raised, thick. Ovary and style c. 1 mm long. Fruit not seen.
Life form perennial
Growth form tree
Growth support parasite
Foliage retention -
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 15.0
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Nitrogen fixer -
Photosynthetic pathway -

Environment

Understorey tree in lowland to mid-mountain rain-forest, also advanced secondary forest, rarely in flood plain or swamp forest, from sea-level up to c. 1675 m, locally common.
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Found in rainforest.
Light -
Soil humidity -
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Hardiness (USDA) 9-12

Usage

Uses -
Edible -
Therapeutic use -
Human toxicity -
Animal toxicity -

Cultivation

Mode -
Germination duration (days) -
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Distribution

Anacolosa papuana world distribution map, present in Australia, Dominican Republic, Papua New Guinea, and Solomon Islands

Conservation status

Anacolosa papuana threat status: Least Concern

Identifiers

LSID urn:lsid:ipni.org:names:607598-1
WFO ID wfo-0000533109
COL ID DBPC
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Anacolosa papuana