Acacia tenuissima F.Muell.

Species

Angiosperms > Fabales > Fabaceae > Acacia

Characteristics

Shrub to c. 4 m high, multistemmed, resinous. Bark smooth, grey purplish or brown. Branchlets ± terete, glabrous; ridges yellow resin-crenulated. Phyllodes filiform, terete to ± compressed, 6–15 cm long, 0.7–1.3 mm wide, glabrous, multistriate; veins usually inconspicuous, often with some veins and margins resin-crenulated when dry; gland 1, basal, just above pulvinus. Spikes 0.5–1 cm long, pale yellow to bright yellow. Flowers 5-merous; calyx 0.8–1 mm long, truncate, thin, dissected irregularly into lobes, glabrous; corolla 1.2–1.4 mm long, dissected to 1/2, glabrous; ovary mealy. Pods linear, raised over and ± constricted between seeds, straight, later curved or coiled, 2.5–5 cm long, 2–3.5 mm wide, chartaceous, scaly when mature. Seeds longitudinal, 2.5–4 mm long, black; areole small, open.
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A shrub or small slender tree. It grows 2-6 m high and spreads 2-4 m across. The leaves (phyllodes) are very long and thin. They are 5-10 cm long by 0.1-0.3 cm across. They are long and thin and round in cross section. They have distinctive lines along them. The flower heads are like rods 1-1.5 cm long. They usually occur in pairs in the angles where leaves join. The flower stalk is sticky. The pods are 2-4 cm long by 0.2-0.3 cm wide. The pods are constricted between the seeds. The pods are flat and coiled. They occur in clusters. The seeds have thin coats and a distinct yellow papery outgrowth (aril).
Life form perennial
Growth form shrub
Growth support free-standing
Foliage retention -
Sexuality hermaphrodite
Pollination entomogamy
Spread -
Mature width (meter) 2.0 - 4.0
Mature height (meter) 3.0 - 4.0
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color -
Blooming months -
Fruit color -
Fruiting months -
Nitrogen fixer rhizobia
Photosynthetic pathway c3

Environment

Eucalyptus woodland, commonly found in rocky loam or clay soils, often associated with watercourses, on rocky slopes in low undulating country, but also recorded from sandy soil on stabilized inland dunes and spinifex plains.
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It occurs on sandy soils. It normally occurs in northern and inland Australia. It is a hardy plant. It cannot tolerate fire. It can grow in arid places.
Common in eucalypt woodland, often with spinifex, in sandy soils.
Light -
Soil humidity -
Soil texture -
Soil acidity -
Soil nutriment -
Hardiness (USDA) 8-12

Usage

The seed are eaten. The ripe black seeds are collected and crushed into flour then mixed with water before being cooked and eaten. Edible grubs also occur in the roots.
Uses environmental use food medicinal
Edible pods 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°) -
Size -
Vigor -
Productivity -

Distribution

Acacia tenuissima world distribution map, present in Australia

Identifiers

LSID urn:lsid:ipni.org:names:471636-1
WFO ID wfo-0001054089
COL ID -
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Acacia tenuissima Acacia xylocarpa var. tenuissima Racosperma tenuissimum Acacia luerssenii