Acacia microcarpa F.Muell.

Manna wattle (en)

Species

Angiosperms > Fabales > Fabaceae > Acacia

Characteristics

Erect to spreading, glabrous shrub to 3 m high. Branchlets somewhat angled at extremities. Stipules insignificant. Phyllodes normally oblanceolate, sometimes oblong-oblanceolate, elliptic or elliptic-oblanceolate, straight to shallowly incurved, (1.6–) 2–5.5 (–7) cm long, (3–) 4–10 (–19) mm wide with l: w ratio = 4–10, obtuse but frequently obliquely so, often retuse, slightly thickened, smooth; midrib not prominent; lateral veins absent or obscure; glands 2, with apical gland adjacent to mucro, and lower one near or below middle of phyllode , 0.5 mm long and normally shallowly concave. Inflorescences rudimentary 1-headed racemes with axes c. 0.5 mm long, 2–5 per node; peduncles 4–10 (–12) mm long, drying yellow or blackish; heads globular, 14–25-flowered, bright mid-golden. Flowers 5-merous; sepals free. Pods linear, prominently raised over seeds, slightly to prominently curved, to 8 cm long, 2–5 mm wide, firmly chartaceous. Seeds longitudinal, elliptic to widely elliptic-oblong, 3–4 mm long, subnitid, dark brown; aril ±clavate, ¼–⅓ length of seed.
Life form perennial
Growth form
Growth support free-standing
Foliage retention
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 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

Found in a variety of vegetation formations and soil types, including mallee in red sands and sandy loams.
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 microcarpa world distribution map, present in Australia

Identifiers

LSID urn:lsid:ipni.org:names:470894-1
WFO ID wfo-0000202021
COL ID 8PNJ
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Acacia microcarpa Acacia subretusa Racosperma microcarpum