Acacia pruinocarpa Tindale

Species

Angiosperms > Fabales > Fabaceae > Acacia

Characteristics

Shrub or tree 3–12 m high. Branchlets often pruinose, glabrous. Phyllodes normally spreading widely, linear to linear-elliptic, straight or curved, 7–17 cm long, 6–20 (–30) mm wide, obtuse to subacute, thick, coriaceous, subglaucous to glaucous, glabrous; midrib and marginal veins prominent; lateral veins obscure; glands 2–5, lowermost largest and basal. Inflorescences 6–20-headed racemes; raceme axes 3-15 cm long, stout, often pruinose, glabrous; peduncles 1–4 cm long, mostly 2 or 3 together along raceme axes, rather stout, glabrous; heads globular, 7–8 mm diam., densely 55–110-flowered, light golden. Flowers 5-merous; sepals united; bracteole laminae and sepal apices densely golden-hairy. Pods narrowly oblong, to 12 cm long, 9–17 mm wide, chartaceous to thinly coriaceous, often pruinose, glabrous. Seeds transverse to oblique, ovate to oblong-elliptic or suborbicular, 5–6 mm long, dull, black; funicle flat, liguliform; aril small.
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A small tree 3-10 m high and spreading 3-5 m across. It normally has several stems. The bark is dark and fibrous. The leaves (phyllodes) are 6-15 cm long by 0.5-3 cm wide. They are flat and stiff. They are curved, leathery and with a bluish bloom. They have one prominent vein and a large gland at the base of the leaf. The edge of the leaf is prominent. The flower heads are balls. They occur singly or in pairs. They are bright yellow. The pods are 3-10 cm long by 1-1.5 cm across. They are flat, leathery and with a bluish bloom. They are waxy. They are raised over the seeds. The seeds are nearly round and 5 mm across. They are black to dark brown when ripe.
Life form perennial
Growth form tree
Growth support free-standing
Foliage retention -
Sexuality hermaphrodite
Pollination entomogamy
Spread -
Mature width (meter) -
Mature height (meter) 6.0
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months -
Fruit color -
Fruiting months -
Nitrogen fixer rhizobia
Photosynthetic pathway c3

Environment

It occurs in inland areas in Australia. It is mostly on rocky or sandy soils. It suits a hot dry climate. It needs a well drained soil and sunny position. It can grow in arid places.
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Arid areas, growing in a variety of topographic situations, usually in sand or loam, often with Acacia aneura and spinifex.
Arid areas, growing in a variety of topographic situations, usually in sand or loam, often with Acacia aneura and spinifex.
Grows in a variety of topographic situations, usually in sand or loam, often with Acacia aneura and spinifex.
Light -
Soil humidity -
Soil texture -
Soil acidity -
Soil nutriment -
Hardiness (USDA) 8-12

Usage

The seed are lightly roasted and ground into a paste then eaten. The white or yellow gum which exudes from the tree is eaten and enjoyed. The honey dew from a lerp insect on the leaves and stems is eaten. It is sweet.
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Details of the utilisation of Acacia pruinocarpa are given in J.W. Turnbull (ed.), Multipurpose Australian Trees and Shrubs 188–189 (1986) and D.J. Boland et al., Forest Trees of Australia 5th edn, 174–175 (2006).
Uses animal food environmental use gum medicinal ornamental timber wood
Edible gums pods roots seeds
Therapeutic use -
Human toxicity -
Animal toxicity -

Cultivation

It is grown from seed.
Mode seedlings
Germination duration (days) 21
Germination temperacture (C°) 21 - 26
Germination luminosity -
Germination treatment soaking
Minimum temperature (C°) -
Optimum temperature (C°) 22 - 35
Size -
Vigor -
Productivity -

Images

Acacia pruinocarpa unspecified picture

Distribution

Acacia pruinocarpa world distribution map, present in Australia

Conservation status

Acacia pruinocarpa threat status: Least Concern

Identifiers

LSID urn:lsid:ipni.org:names:471224-1
WFO ID wfo-0000185350
COL ID 8PVW
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Acacia pruinocarpa Racosperma pruinocarpum