Acacia rigens A.Cunn. ex G.Don

Nealie (en)

Species

Angiosperms > Fabales > Fabaceae > Acacia

Characteristics

Spreading shrub 2–3 m high; occasionally tree to 6 m high. Branchlets sericeous between the yellow ribs. Phyllodes straight to shallowly incurved, terete, rarely flat, 3–14 cm long, 0.8–1 mm diam., to 2.5 mm wide when flat, innocuous or ±coarsely pungent with a straight or curved point, coriaceous to subrigid, grey-green, multistriate with yellowish veins (some appearing more prominent than others), appressed-puberulous or sometimes glabrous between the veins; gland basal. Inflorescences simple, (1–) 2 (–4) per axil; peduncles 2–6 mm long, appressed-puberulous; basal bract persistent; heads globular, 20–33-flowered, golden, ±resinous. Flowers 5-merous; sepals free to 1/2-united. Pods submoniliform, curved, 3.5–10 cm long, 2–3 mm wide, firmly chartaceous to thinly coriaceous, ±appressed puberulous. Seeds longitudinal, oblong-elliptic to narrowly elliptic, 3–4.5 mm long, glossy, pale brown; aril apical, conical.
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A spreading shrub. It grows 2-3 m tall. The leaflets are 3-14 cm long. There are 2 flowering groups in the axils of leaves with 20-33 flowers. They are golden coloured. The pods are curved and 4-10 cm long by 2-3 mm wide. The seeds are narrowly oval and 3-4.5 mm long. They are shiny and brown.
Life form perennial
Growth form shrub
Growth support free-standing
Foliage retention evergreen
Sexuality hermaphrodite
Pollination entomogamy
Spread -
Mature width (meter) -
Mature height (meter) 2.0 - 3.0
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color -
Blooming months -
Fruit color -
Fruiting months -
Nitrogen fixer rhizobia
Photosynthetic pathway c3

Environment

Commonly found in sandy soils but also in red and shaly soils, mostly in mallee scrub. Grows in mallee and woodland in red earths, and occasionally in sandy and shaley soils.
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Commonly in sandy soils but also in red and shaly soils, mostly in mallee scrub.
It is a warm temperate plant.
Light -
Soil humidity -
Soil texture -
Soil acidity -
Soil nutriment -
Hardiness (USDA) 9-11

Usage

The seeds are ground into flour and used to make damper.
Uses environmental use fuel medicinal wood
Edible seeds
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°) -
Size -
Vigor -
Productivity -

Images

Acacia rigens unspecified picture

Distribution

Acacia rigens world distribution map, present in Australia

Conservation status

Acacia rigens threat status: Least Concern

Identifiers

LSID urn:lsid:ipni.org:names:471327-1
WFO ID wfo-0000185324
COL ID 8PY9
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR) Link

Synonyms

Racosperma rigens Acacia chordophylla Acacia rigens