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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]
The genus name comes from Neo-Latin; Gaspard Bauhin in his book Pinax (1623) writes it coming from Pedanius Dioscorides who uses the name ἀκακία akakia [13] for species Vachellia nilotica, the original type species growing in Egypt, from ἀκακίς akakis meaning "point". [14] The origin of "wattle" may be an Old Teutonic word meaning ...
This has implications for the classification of the extra-American distribution of A. farnesiana as the populations growing in Australia and the Philippines have recently (2017) been shown to derive from ancient Central American origins. Acacia pinetorum, the pineland acacia or pineland wattle, [12] is also disputed.
These are followed by 4–7 cm (1.5–3 in) long curved seed pods. [3] The pale pods have prominent margins and are thinly woody to firm and brittle when dry. [2] Shiny brown seeds are arranged longitudinally in the pod. Each seed is narrowly oblong with a length of 3.5 to 4.5 mm (0.14 to 0.18 in). [4]
It will later form dark brown seed pods with a curving and often twisted linear shape. Each pod is around 30 millimetres (1.2 in) in length with a width of 3.5 mm (0.1 in). Pods contain hard, dark brown seeds with an ovoid shape. Each seed is around 3.5 mm (0.1 in) long and 2.5 mm (0.1 in) wide. [1]
After flowering linear brown seed pods form that are up 16 cm (6.3 in) in length and 5 to 17 mm (0.20 to 0.67 in) wide with a firm papery texture. The dull to slightly shiny dark brown to black seeds within the pods have an oblong to oblong-elliptic shape and a length of 4 to 6 mm (0.16 to 0.24 in).
The species is sold commercially as seedlings [2] or in seed form. [7] Seeds need to be pre-treated by scarifying or soaking in hot water prior to planting. The tree grows well in a sunny location in a wide range of soils including poor soils. It is fast growing and can shoot from root suckers making it a possible weed
The smooth, brown and linear shaped seed pods that form after flowering can be straight or curved and have a length of up to 12 cm (4.7 in) and a width of 5 mm (0.20 in). The hard, black seeds found within the pods have an ellipsoidal shape with a length of 7 mm (0.28 in) and a width of 4 mm (0.16 in).