Acacia argentina Pedley

Species

Angiosperms > Fabales > Fabaceae > Acacia

Characteristics

Shrub to 4 m high. Branchlets ± terete, pruinose, with a sparse to moderately dense indumentum of spreading hairs 0.3–0.5 mm long which extend to the leaf axes. Young foliage silvery grey tinged with yellow. Leaves grey-green to silvery blue; petiole 3–8 mm long, a poorly defined gland between or slightly below lowest pair of pinnae; rachis 5–15 mm long, with jugary gland present or absent between most distal pair of pinnae; interjugary glands absent; pinnae 2 or 3 pairs, 13–20 mm long; pinnules 6–9 pairs, oblong, rounded at base and tip, 6–9 mm long, 1.4–2.8 mm wide, concolorous, glabrous or with scattered subappressed hairs on margins or lower surface, midrib obscure beneath. Inflorescences axillary racemes with up to 8 branches, 20–55 mm long. Peduncle 3–5 mm long, glabrous. Heads (described as yellow) 20–24-flowered. Flowers 5-merous; calyx obconical, somewhat angular, 0.6–0.7 mm long; lobes obtuse and c. 0.2 mm long. Pods seen only immature (possibly 6 to 8 weeks to maturity) linear, to c. 6 cm long, densely appressed hairy. Seeds not seen.
Life form -
Growth form shrub
Growth support -
Foliage retention -
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 4.0
Root system -
Rooting depth (meter) -
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Nitrogen fixer rhizobia
Photosynthetic pathway -

Environment

Associated trees are Corymbia bunites, C. watsoniana subsp. watsoniana, Eucalyptus fibrosa subsp. fibrosa, Angophora leiocarpa and Lysicarpus angusifolius.
Light -
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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
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Optimum temperature (C°) -
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Productivity -

Distribution

Acacia argentina world distribution map, present in Australia

Identifiers

LSID urn:lsid:ipni.org:names:77079723-1
WFO ID wfo-0000506239
COL ID 8NT4
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Acacia argentina