Inluded here are the Fiji Islands (such as Viti Levu and Vanua Levu), Samoa Islands, Tonga Islands, Horn Islands, Rotuma Islands, Uvea Island and Niue Island.

Although most of the open forests have been destroyed their original composition can be determined from remnants on leached soil and on the drier, leeward side of the larger islands. They are xerophytic in character and variously composed of low trees such as Acacia richii, Alphitonia zyzyphoides, Dodonaea vicosa and the endemic Fagraea gracilipes (Loganiaceae), together with the parasitic sandalwood (Santalum yasi), Casuarina equisetifolia and various Pandanus species. The ground layer is dominated by Dicranopteris linearis, Lycopodium cernuum and Pteridium esculentum. However, most of the Fijian vegetation that approximates to savanna today is on the so-called talasiga (sunburnt) land. The term applies to fire-modified ecosystems, and in addition to some of the above-mentioned species, there are various non-indigenous species such as Sporobolus indicus. This type of vegetation now covers nearly a third of Viti Levu and Vanua Levu, and relates to the fact that the original Fijians frequently used fire as part of their shifting cultivation technique. Other talasiga species include the native reed Miscanthus floridulus and the introduced African pyrophyte Pennisetum polystachyon (mission grass).


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