Acacia doratoxylon A.Cunn.

Spearwood (en)

Species

Angiosperms > Fabales > Fabaceae > Acacia

Characteristics

Shrub or tree to 10 m high, single-stemmed. Bark corrugated, dark greyish brown to black on trunk. Branchlets angular towards apices, yellow-brown to red-brown, glabrous, ± resinous. Phyllodes linear, flat, mostly straight to slightly curved, 7–20 cm long, 2–8 (–10) mm wide, with recurved or oblique apices, coriaceous, glabrous, with 1 prominent and usually 2 subprominent main veins continuous to base; minor veins 7–10 per mm, parallel, rarely anastomosing; glands mostly 1, rudimentary, basal. Inflorescences short racemes 2–15 mm long; spikes (1.5–) 2–3.5 cm long, golden. Flowers mostly 5-merous; calyx 0.7–1.1 mm long, dissected to ⅙–¼ of length, densely pubescent; corolla 1.2–2.1 mm long, dissected to ¼–½ of length, glabrous; ovary ± pubescent or glabrous. Pods linear, slightly moniliform, 5–10 cm long, ± coriaceous, longitudinally wrinkled, glabrous. Seeds longitudinal, elliptic-oblong, 3–5 mm long, black; pleurogram without halo; areole open.
Life form perennial
Growth form tree
Growth support free-standing
Foliage retention evergreen
Sexuality hermaphrodite
Pollination entomogamy
Spread -
Mature width (meter) -
Mature height (meter) 9.0
Root system -
Rooting depth (meter) 1.5
Root diameter (meter) -
Flower color -
Blooming months -
Fruit color -
Fruiting months -
Nitrogen fixer rhizobia
Photosynthetic pathway c3

Environment

Open woodland or open forest in skeletal rocky soils, often on ridges or hillsides and on flat or undulating land, with mallee eucalypts in red earths; at elevations from 200-1,000 metres.
More
Grows in open woodland or open forest in skeletal rocky soils, often on ridges or hillsides and on flat or undulating land, with mallee eucalypts in red earths.
Light -
Soil humidity -
Soil texture -
Soil acidity -
Soil nutriment -
Hardiness (USDA) 7-11

Usage

Information on the utilisation potential of this species is given in B.R. Maslin and M.W. McDonald, AcaciaSearch: Evaluation of Acacia as a woody crop option for southern Australia, RIRDC Publication No. 30/017, 80–83 (2004).
Uses charcoal fodder material medicinal timber wood
Edible -
Therapeutic use -
Human toxicity -
Animal toxicity -

Cultivation

Can be grown by seedlings. Seeds needs soaking.
Mode seedlings
Germination duration (days) 21
Germination temperacture (C°) 21 - 26
Germination luminosity -
Germination treatment soaking
Minimum temperature (C°) -
Optimum temperature (C°) 22 - 23
Size -
Vigor -
Productivity -

Images

Flower

Acacia doratoxylon flower picture by arlas (cc-by-sa)
Acacia doratoxylon flower picture by arlas (cc-by-sa)
Acacia doratoxylon flower picture by arlas (cc-by-sa)

Distribution

Acacia doratoxylon world distribution map, present in Australia and New Zealand

Conservation status

Acacia doratoxylon threat status: Least Concern

Identifiers

LSID urn:lsid:ipni.org:names:470208-1
WFO ID wfo-0000192748
COL ID 64C8Y
BDTFX ID 120663
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Acacia doratoxylon