Acacia acinacea Lindl.

Gold-dust acacia (en)

Species

Angiosperms > Fabales > Fabaceae > Acacia

Characteristics

Bushy or straggly open shrub, commonly to c. 2.5 m high. Branchlets somewhat angled at extremities, glabrous or hairy. Phyllodes somewhat asymmetric, narrowly oblong-elliptic, oblanceolate, broadly obovate or circular, usually 4–15 mm long and 2–8 mm wide with length: width ratio of 1–5, ± obtuse and normally excentrically mucronulate, green, glabrous or hairy; midrib obscure or absent; lateral veins absent; glands 2, adjacent to mucro and near or below middle of phyllode, not prominent. Inflorescences normally 1-headed, rudimentary racemes with axes c. 0.5 mm long, 1 or 2 per axil; peduncles 4–20 mm long, slender, glabrous; heads prolific, globular, 4–4.5 mm diam., 8–20-flowered, golden. Flowers 5-merous; sepals free. Pods circinnate to irregularly twisted or spirally coiled, 3–4.5 mm wide, crustaceous, glabrous. Seeds longitudinal, ±oblong, 4–5 mm long, shiny, dark brown; aril clavate, ¼–½ length of seed.
Life form perennial
Growth form shrub
Growth support free-standing
Foliage retention
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 2.5
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color -
Fruiting months -
Nitrogen fixer rhizobia
Photosynthetic pathway c3

Environment

Grows mostly in sand, sandy loam and gravelly soil, in hilly country, in eucalypt woodland, woodland heath and open mallee scrub.
Light 7-9
Soil humidity -
Soil texture -
Soil acidity -
Soil nutriment -
Hardiness (USDA) 8-11

Usage

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

Cultivation

Mode -
Germination duration (days) 21
Germination temperacture (C°) 21 - 26
Germination luminosity -
Germination treatment soaking
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Images

Leaf

Acacia acinacea leaf picture by Sophia Horomidis (cc-by-sa)

Flower

Acacia acinacea flower picture by Sophia Horomidis (cc-by-sa)

Distribution

Acacia acinacea world distribution map, present in Australia, India, and New Zealand

Identifiers

LSID urn:lsid:ipni.org:names:469635-1
WFO ID wfo-0000192737
COL ID 8NQ6
BDTFX ID -
INPN ID 447331
Wikipedia (EN) Link
Wikipedia (FR) Link

Synonyms

Acacia acinacea Acacia rotundifolia Acacia latrobii Acacia cyclophylla Acacia ovata Acacia obliqua Racosperma acinaceum Acacia latrobei Acacia acinacea var. brevipedunculata