Acacia merrallii F.Muell.

Species

Angiosperms > Fabales > Fabaceae > Acacia

Characteristics

Dense ±rounded spreading shrub to 1.5 m high. Branchlets usually minutely puberulous with straight or slightly curved hairs. Phyllodes obliquely obovate to elliptic-orbicular or oblong-elliptic, rarely ovate, usually 8–25 mm long and 5–17 mm wide with l: w ratio = 1.2–3, often slightly undulate, with innocuous to ±pungent curved or straight mucro, thick, coriaceous, smooth, grey-green to glaucescent, finely appressed-hairy when young, commonly glabrescent; midrib obscure; lateral veins ±absent; margins prominent, yellowish; gland on lower half of phyllode, not raised. Inflorescences rudimentary, 1–3-headed racemes to 1 mm long; peduncles 6–18 mm long, glabrous; heads globular, 4–5 mm diam., 22–35-flowered, golden. Flowers 5-merous; sepals free. Pods arcuate to ±irregularly coiled, semi-terete, to 2 cm long (unexpanded length), 2–3 mm wide, thinly coriaceous-crustaceous, dark brown to black, glabrous or subglabrous. Seeds longitudinal, c. 2.5 mm long; aril conspicuous, enclosing up to ⅓ of seed, usually orange.
Life form perennial
Growth form shrub
Growth support free-standing
Foliage retention
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 1.5
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color -
Blooming months -
Fruit color -
Fruiting months -
Nitrogen fixer rhizobia
Photosynthetic pathway c3

Environment

Grows in clay, sandy clay, sand, sandy loam and clay loam.
Light -
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 -

Distribution

Acacia merrallii world distribution map, present in Australia

Identifiers

LSID urn:lsid:ipni.org:names:470881-1
WFO ID wfo-0000202002
COL ID 64BQD
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Acacia dubia Acacia merrallii Racosperma merrallii