Beach Sheoak

Beach Sheoak Plant Information


Beach Sheoak grows in the following 2 states:

Florida, Hawaii

Casuarina equisetifolia or Australian pine tree is a she-oak species of the genus Casuarina. The native range extends from Burma and Vietnam throughout Malaysia east to French Polynesia, New Caledonia, and Vanuatu, and south to Australia (north of Northern Territory, north and east Queensland, and north-eastern New South Wales). Populations are also found in Madagascar, but it is doubtful if this is within the native range of the species. The species has been introduced to the Southern United States and West Africa. It is an invasive species in Florida and South Africa.

Casuarina equisetifolia was officially described by Linnaeus in 1759 as Casuarina equisefolia. A type was designated by New South Wales botanist Lawrie Johnson in 1989. The specific name equisetifolia is derived from the Latin equisetum, meaning "horse hair" (referring to the resemblance of the drooping branchlets to horse tail). Common names include coast sheoak (coast she oak, coastal she-oak), beach casuarina, beach oak, beach sheoak (beach she-oak), whistling tree, horsetail she oak, horsetail beefwood, horsetail tree, Australian pine, ironwood, whistling pine, Filao tree, and agoho.
There are two subspecies:
Casuarina equisetifolia is an evergreen tree growing to 6-35m (20-115ft) tall. The foliage consists of slender, much-branched green to grey-green twigs 0.5-1mm (0.020-0.039in) diameter, bearing minute scale-leaves in whorls of 6-8. The flowers are produced in small catkin-like inflorescences; the male flowers in simple spikes 0.7-4cm (0.28-1.57in) long, the female flowers on short peduncles. Unlike most other species of Casuarina (which are dioecious) it is monoecious, with male and female flowers produced on the same tree. The fruit is an oval woody structure 10-24mm (0.39-0.94in) long and 9-13mm (0.35-0.51in) in diameter, superficially resembling a conifer cone made up of numerous carpels each containing a single seed with a small wing 6-8mm (0.24-0.31in) long.
Like some other species of the Genus Casuarina, Casuarina equisetifolia is an actinorhizal plant able to fix atmospheric nitrogen. In contrast to species of the Fabaceae family of plants (e.g., beans, alfalfa, Acacia), Casuarina harbours a symbiosis with a Frankia actinomycete.
Casuarina equisetifolia is found from Burma and Vietnam throughout Malesia east to French Polynesia, New Caledonia, and Vanuatu, and south into Australia (the northern parts of Northern Territory, north and east Queensland, and northeastern New South Wales, where it extends as far south as Laurieton.
Casuarina is widely used as a bonsai subject, particularly in South-east Asia and parts of the Caribbean. Indonesian specimens and those cultivated in Taiwan are regarded among the best in the bonsai world. The wood of this tree is used for shingles, fencing, and is said to make excellent hot-burning firewood. Among the islands of Hawaii, Casuarina are also grown for erosion prevention, and in general as wind breaking elements.
The legendary miraculous spear Kaumaile came with the hero Tefolaha on the South Pacific island Nanumea. He fought with it on the islands of Samoa and Tonga. As Tefolaha died, "Kaumaile" went to his heirs, then to their heirs, and on and on - 23 generations. It is about 1.80 meters long and about 880 years old and the tree was cut on Samoa.

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