Acacia johnsonii Pedley

Species

Angiosperms > Fabales > Fabaceae > Acacia

Characteristics

Shrub 1.5–3 m high, branching from base. Branchlets not prominently ribbed, puberulous, slightly resinous. Phyllodes patent to erect, linear to narrowly linear, straight to shallowly incurved, flat, 1–3 cm long, 1–2 mm wide, commonly narrowed at base, excentrically and obliquely mucronulate to rostellate, green, glabrous or subglabrous, obscurely 1–3-veined; midrib sometimes ±pronounced; gland minute, basal, sometimes with another at base of mucro. Inflorescences simple, single in upper axils; peduncles 4–6 (–9) mm long, glabrous to puberulous, ebracteate at base; heads globular, (15–) 20–30-flowered, golden, slightly resinous. Flowers 5-merous; sepals ⅔–¾-united, acute. Pods to 7 cm long, 3–4 mm wide, firmly chartaceous, reddish brown, glabrous, subvernicose. Seeds longitudinal, oblong, 2.5–4 mm long; aril oblique.
Life form perennial
Growth form shrub
Growth support free-standing
Foliage retention -
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 1.75 - 2.5
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color -
Blooming months -
Fruit color -
Fruiting months -
Nitrogen fixer rhizobia
Photosynthetic pathway -

Environment

Common in sand in shrubby open forest near Chinchilla, and, in New South Wales, uncommon on sandplains in spinifex communities.
Light -
Soil humidity -
Soil texture -
Soil acidity -
Soil nutriment -
Hardiness (USDA) 8-12

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 johnsonii world distribution map, present in Australia

Identifiers

LSID urn:lsid:ipni.org:names:470627-1
WFO ID wfo-0000201656
COL ID 8PFX
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Acacia johnsonii Racosperma johnsonii Acacia lauta Racosperma lautum Acacia rigens var. humilis