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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.
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.
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]
Gymnostoma sumatranum is characterised by its multiple rounded umbrella-shaped crowns, while Casuarina equisetifolia (the most well-known member of Casuarinaceae) is typified by its equisetoid appearance. The roots have nitrogen-fixing nodules. The stems are angular or tetrahedral in cross section (2).
Casuarina equisetifolia, native to Australia, SE Asia and Oceania Topics referred to by the same term This disambiguation page lists articles associated with the title Whistling tree .
Casuarina equisetifolia, a coastal species This page was last edited on 11 December 2017, at 16:27 (UTC). Text is available under the Creative Commons ...
Unlike Casuarina equisetifolia, Mountain Ru (C. junghuhniana) has a narrower canopy, small and neat branches. It has a straight and knotless trunk. [4] [6] Like some other species of the genus Casuarina, C. junghuhniana is an actinorhizal plant able to fix atmospheric nitrogen.
Its habitat comprises typical cay vegetation of the region, mainly of Pisonia grandis forest forming a closed canopy up to 15 m in height, with areas of Casuarina equisetifolia, Silky Celtis, Sweet Sandpaper Fig, Octopus Bush and associated shrubs, as well as areas around human habitation, such as the Heron Island resort. [5]