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The genera Allocasuarina was created out of a grouping of plants formerly placed in Casuarina, because of subtle but consistent differences – Casuarina species have 6 to 20 scale-like teeth in each whorl of leaves, their samaras are grey or yellowish-brown, and the bracteoles of the fruiting cones are thin, woody and extend well beyond the ...
Lawrence Alexander Sidney Johnson separated out many of those species and renamed them into the new genera of Gymnostoma in 1980 and 1982, [3] [4] Allocasuarina in 1982, [4] and Ceuthostoma in 1988, with some additional formal descriptions of new species in each other genus. [5] At the time, it was somewhat controversial.
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Allocasuarina striata, commonly known as the small bull oak, [1] stalked oak-bush [2] or the tall oak-bush, is a shrub of the genus Allocasuarina native to South Australia. [ 3 ] Description
The genera Misophrice and Apion have also been recorded on Casuarina, but the nature of their associations is unknown. [13] Hemiptera: Casuarinicola jumping plant lice feed on sap of Casuarina. [15] Another hemipteran associated with this genus is the felt scale Choneochiton casuarinae (Eriococcidae). [16]
Allocasuarina diminuta is a dioecious or monoecious shrub or small tree that typically grows to a height of 1–5 m (3 ft 3 in – 16 ft 5 in) and has smooth bark. . Its branchlets are more or less erect, up to 230 mm (9.1 in) long, the leaves reduced to erect to spreading, scale-like teeth 0.3–0.8 mm (0.012–0.031 in) long, arranged in whorls of six to ten around the branchl
Allocasuarina media is a species of flowering plant in the family Casuarinaceae and is endemic to a small area of Victoria.It is a dioecious, rarely a monoecious shrub that has more or less erect branchlets up to 200 mm (7.9 in) long, the leaves reduced to scales in whorls of six to eight, the fruiting cones usually 14–27 mm (0.55–1.06 in) long containing winged seeds (samaras) 5–8 mm (0 ...
Allocasuarina grampiana is a dioecious shrub that typically grows to a height of 1–4 m (3 ft 3 in – 13 ft 1 in) and has smooth bark. Its branchlets are more or less erect, up to 150 mm (5.9 in) long, the leaves reduced to erect to slightly spreading, scale-like teeth 0.4–0.8 mm (0.016–0.031 in) long, arranged in whorls of six or seven around the branchlets.