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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 ...
Casuarina, also known as she-oak, Australian pine [3] [4] [5] and native pine, [6] is a genus of flowering plants in the family Casuarinaceae, and is native to Australia, the Indian subcontinent, Southeast Asia, islands of the western Pacific Ocean, and eastern Africa.
Allocasuarina verticillata, commonly known as drooping sheoak, [3] is a species of flowering plant in the family Casuarinaceae and is endemic to south-eastern Australia. It is a small dioecious tree that has drooping branchlets up to 400 mm (16 in) long, the leaves reduced to scales in whorls of nine to thirteen, the mature fruiting cones 20–50 mm (0.8–2 in) long containing winged seeds 7 ...
At one time, all species were placed in the genus Casuarina. 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]
Casuarina equisetifolia, commonly known as coastal she-oak, horsetail she-oak, [3] ironwood, [4] beach sheoak, beach casuarina, whistling tree [5] or Australian pine [6] is a species of flowering plant in the family Casuarinaceae and is native to Australia, New Guinea, Southeast Asia and India.
Allocasuarina muelleriana is dioecious, rarely a monoecious shrub that typically grows to a height of 0.5–4 m (1 ft 8 in – 13 ft 1 in) high and has smooth bark. . Its branchlets are more or less erect and up to 120 mm (4.7 in) long, the leaves reduced to scale-like teeth 0.3–0.6 mm (0.012–0.024 in) long, arranged in whorls of five to eight around the branchle
Allocasuarina huegeliana, commonly known as rock sheoak [3] is a species of flowering plant in the family Casuarinaceae and is endemic to Western Australia. It is a dioecious tree that has its leaves reduced to scales in whorls of eight to ten, the mature fruiting cones 14–35 mm (0.55–1.38 in) long containing winged seeds (samaras) 5–7 mm (0.20–0.28 in) long.
Allocasuarina acuaria is a species of flowering plant in the family Casuarinaceae and is endemic to the southwest of Western Australia. It is a dioecious shrub that has erect branchlets, the leaves reduced to scales in whorls of four on the ends of the branchlets, the fruiting cones 15–19 mm (0.59–0.75 in) long containing winged seeds (samaras) about 6 mm (0.24 in) long.