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Wattleseed Acacia are perennial woody crops of varying age and size with some reaching 4m tall and 5m across. [4] Their large size and multiple stems is an impediment to harvesting and has resulted in the development of several strategies of collecting seed pods, including 'finger stripping' of pods off of foliage, 'butt shaking' of the tree to dislodge pods, and whole biomass harvesting. [6]
Sandplain wattle grows as a tall shrub or small tree typically to a height of 2 to 5 m (6 ft 7 in to 16 ft 5 in) but can grow as tall as 8 m (26 ft). [4] It is able to form suckers and form dense colonies. It has glabrous branchlets that are often covered in a fine white powdery coating giving it frosted appearance. [3]
A number of species, most notably Acacia mangium (hickory wattle), A. mearnsii (black wattle) and A. saligna (coojong), are economically important and are widely planted globally for wood products, tannin, firewood and fodder. [23] A. melanoxylon (blackwood) and A. aneura (mulga) supply some of the most attractive timbers in the genus.
Acacia pycnantha, most commonly known as the golden wattle, is a tree of the family Fabaceae. It grows to a height of 8 metres (26 feet) and has phyllodes (flattened leaf stalks) instead of true leaves. The profuse fragrant, golden flowers appear in late winter and spring, followed by long seed pods.
The tree's seeds number about 65 per gram. [7] A. maidenii can be propagated from seed but, in order to increase the germination rate, the seed should be treated first. It can be soaked in hot water or the seed can be nicked or otherwise mechanically scarified, so that water will penetrate the seed's hard coating and induce germination.
The straight to slightly curved pale brown coloured seed pods that form after flowering have a length of up to 9 cm (3.5 in) and a width of 6 mm (0.24 in) and contain black, oblong to ovoid shaped seeds with a length of around 7 mm (0.28 in) and a width of 4 mm (0.16 in).
Acacia cultriformis, known as the knife-leaf wattle, dogtooth wattle, half-moon wattle or golden-glow wattle, is a perennial tree or shrub of the genus Acacia native to Australia. It is widely cultivated, and has been found to have naturalised in Asia , Africa , North America , New Zealand and South America . [ 1 ]
Sketch of Acacia cyclops phyllodes and flowers Sketches of various Acacia including A. cyclops seed pod at bottom right. Acacia cyclops, commonly known as coastal wattle, [2] cyclops wattle, one-eyed wattle, red-eyed wattle, redwreath acacia, western coastal wattle, rooikrans, rooikrans acacia, [3] is a coastal shrub or small tree in the family Fabaceae.