Acacia brachybotrya Benth.

Gray mulga (en)

Species

Angiosperms > Fabales > Fabaceae > Acacia

Characteristics

Dense, round, spreading shrub 1–3 m high. Branchlets sparsely to densely puberulous to short-pilose or sometimes velutinous with ±straight and patent hairs, sometimes glabrous. New shoots glabrous or white-to cream-hairy. Phyllodes variable, normally slightly asymmetrically oblong-elliptic to oblong-obovate (but frequently narrowly so) or obovate to oblanceolate, (0.8–) 1–3 cm long, (4–) 5–12 (–15) mm wide, l: w = 1.5–3.5, obtuse to subacute, grey-green to glaucous, with indumentum similar to branchlets, sometimes glabrous, 1-veined per face; lateral veins not prominent. Inflorescences 1–4-headed racemes; raceme axes 0.5–2 (–3) mm long, hairy, sometimes glabrous; peduncles 5–12 (–20) mm long, slender, hairy, sometimes glabrous; heads globular, 28–36-flowered, golden. Flowers 5-merous; sepals variably united. Pods linear, submoniliform, to 9 cm long, 5–8 (–11) mm wide, firmly chartaceous to coriaceous, dark brown or black, lightly pruinose, glabrous or hairy. Seeds longitudinal, 4–5.5 mm long, subshiny, brown to black, punctate about centre, arillate.
Life form perennial
Growth form shrub
Growth support free-standing
Foliage retention evergreen
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 1.0 - 3.0
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color -
Blooming months -
Fruit color -
Fruiting months -
Nitrogen fixer rhizobia
Photosynthetic pathway c3

Environment

Occurs on a variety of soils, often in mallee communities.
Light -
Soil humidity -
Soil texture -
Soil acidity -
Soil nutriment -
Hardiness (USDA) 8-11

Usage

In cultivation.
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

Acacia brachybotrya unspecified picture

Distribution

Acacia brachybotrya world distribution map, present in Australia and New Zealand

Identifiers

LSID urn:lsid:ipni.org:names:469866-1
WFO ID wfo-0000185294
COL ID 8NW8
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Acacia brachybotrya Acacia brachybotrya f. glabra Racosperma brachybotryum Acacia brachybotrya var. glaucophylla Acacia brachybotrya var. glabra