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Cladus: Eukaryota
Regnum: Plantae
Divisio: Magnoliophyta
Classis: Liliopsida
Subclassis: Commelinidae
Ordo: Arecales
Familia: Arecaceae
Subfamilia: Arecoideae
Tribus: Areceae
Subtribus: Archontophoenicinae
Genus: Rhopalostylis
Species: R. baueri - R. cheesemanii - R. sapida

Rhopalostylis is a genus of two species of palms native to the South Pacific. Both are smooth-trunked, with regular ringed scars from fallen leaves. The leaves are 3–5 metres in length, and the leaf bases encircle the trunk.


R. baueri occurs on Norfolk Island and the Kermadec Islands northeast of New Zealand; the Kermadec Islands population, formerly separated as R. cheesemanii, was included in R. baueri in 2005 after comparison revealed no significant differences. R. sapida, known as the Nikau Palm, is the only palm native to mainland New Zealand, and is found in lowland forests on the North Island, in coastal areas of the South Island as far south as Banks Peninsula, and on the Chatham Islands at 44 degrees south. R. sapida thus has the southernmost range of any palm genus.


Sub-family: Arecoideae; Tribe: Areceae; Subtribe: Rhopalostylidinae. Rhopalostylis is closely related to the Lord Howe Island genus Hedyscepe.


1. ^ H.A. Wendland & Drude, Linnaea 39:180, 234. 1875 Type:R. baueri

* de Lange, P.J.; Gardner, R.O.; Crowcroft, G.M.; Stalker, F.; Cameron, E.K.; Braggins, J.E; Christian, M.L. 2005: Vascular flora of Norfolk Island: some additions and taxonomic notes. New Zealand Journal of Botany 43: 563-596.
* "Trilepidea Newsletter (July 2005). (New names for the Kermadec nikau palm and Three Kings cabbage tree)". New Zealand Plant Conservation Network. http://nzpcn.org.nz/publications/Trilepidea-23-0507.pdf. Retrieved 2010-10-02.
* Kew palms checklist: Rhopalostylis

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Source: Wikipedia, Wikispecies: All text is available under the terms of the GNU Free Documentation License