Acacia x grayana J.H.Willis

Species

Angiosperms > Fabales > Fabaceae > Acacia

Characteristics

Dense shrub or tree 2–3 m high. Branchlets glabrous or sometimes appressed-puberulous at the often angled extremities. New shoots subglabrous to densely appressed-puberulous with white or pale golden hairs. Stipules caducous. Phyllodes linear-oblanceolate or narrowly elliptic, 2.5–5.5 cm long, 2–4.5 mm wide, l: w = 12–21, normally ±abruptly narrowed to a delicate, curved to uncinate point, glabrous, 1-veined per face, obscurely penninerved. Inflorescences normally 2-or 3-headed racemes; raceme axes normally 1–5 mm long, subglabrous to moderately antrorsely puberulous with white or pale yellow hairs; peduncles 4–12 mm long, with indumentum as on raceme axes; heads globular, 20–35-flowered, bright golden. Flowers 5-merous; sepals free or united. Pods submoniliform, to c. 7 cm long, c. 6 mm wide, thinly coriaceous, glabrous. Seeds longitudinal, elliptic, c. 6 mm long, black; funicle folded on one side of the seed.
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Sexuality hermaphrodite
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Mature height (meter) 2.0 - 3.0
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Nitrogen fixer rhizobia
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Environment

Grows on sand and sandy loams in mallee or Callitris woodlands.
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Hardiness (USDA) 8-11

Usage

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Edible -
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Cultivation

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Germination duration (days) 21
Germination temperacture (C°) 21 - 26
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Germination treatment soaking
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Distribution

Acacia x grayana world distribution map, present in Australia

Identifiers

LSID urn:lsid:ipni.org:names:470458-1
WFO ID wfo-0001270800
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Wikipedia (EN)
Wikipedia (FR)

Synonyms

Racosperma x grayanum Acacia x grayana