Acacia decora Rchb.

Graceful wattle (en)

Species

Angiosperms > Fabales > Fabaceae > Acacia

Characteristics

Shrub normally 1–3 m high. Branchlets ribbed, glabrous or sometimes appressed-puberulous, hairs rarely ±patent. Phyllodes on raised stem-projections, often patent, oblanceolate to narrowly oblanceolate, narrowly elliptic or ±linear, (1.5–) 2–6 cm long, usually 3.5–10 mm wide, narrowed at base, obtuse to acute, grey-green to glaucous, usually glabrous, 1-veined per face; lateral veins obscure or absent; glands 1 or 2, with lowermost normally 5–15 mm above pulvinus. Inflorescences prolific racemes in upper axils; raceme axes usually 2–6 cm long, appressed-puberulous with white or golden hairs; peduncles 3–6 (–9) mm long, usually appressed-puberulous, with hairs golden but sometimes white in fruit; heads globular, 15–30-flowered, golden. Flowers 5‑merous; sepals united. Pods to 11 cm long, 4–9 mm wide, firmly chartaceous to thinly coriaceous, sometimes ±pruinose, glabrous. Seeds longitudinal, ±oblong, 4–6 mm long, ±shiny, black; funicle-aril ½–¾ length of seed.
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An evergreen shrub. It grows to 3-5 m high and spreads out to about 3-4 m. The stem is slender and erect. The shoots have golden hairs pressed against the stem. The leaves (phyllodes) are bluish grey. They are narrow and taper towards the leaf stalk. They curve gently. They are 2-5 cm long and 0.5-1 cm wide. There is just one vein along the leaf. They are leathery. The flowers are golden balls. The are carried on stalks at the end of the branches. The pods are flat and usually straight. They are 6-10 cm long by 0.5 cm wide.
Life form perennial
Growth form shrub
Growth support free-standing
Foliage retention evergreen
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 2.0 - 4.0
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color -
Blooming months -
Fruit color -
Fruiting months -
Nitrogen fixer rhizobia
Photosynthetic pathway c3

Environment

It is a warm temperate and subtropical plant. It occurs naturally in New South Wales and Queensland in Australia. It prefers light to medium soils. It suits a sunny position but can grow in light shade. It is drought resistant but is probably damaged by frost. It suits hardiness zones 8-11.
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Commonly grows on rocky ridges or outcrops, in Eucalyptus communities, sometimes as pure stands.
Light -
Soil humidity -
Soil texture -
Soil acidity -
Soil nutriment -
Hardiness (USDA) 8-11

Usage

Cultivated as an ornamental.
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The gum is eaten.
Uses bee plant environmental use food gum invertebrate food ornamental
Edible gums
Therapeutic use -
Human toxicity -
Animal toxicity -

Cultivation

It is grown from seed. The seed need treatment to break the hard seed coat. Normally this is by putting the seeds in very hot water and letting the water cool down overnight then planting the seeds immediately. It can be grown from cuttings. Trees can be pruned.
Mode cuttings 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 decora unspecified picture

Distribution

Acacia decora world distribution map, present in Australia and India

Identifiers

LSID urn:lsid:ipni.org:names:470137-1
WFO ID wfo-0000185302
COL ID 8P4L
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Acacia decora Acacia buxifolia var. decora Acacia decora var. macrophylla Acacia decora var. biglandulosa Acacia decora var. typica Racosperma decorum