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Phoenix atlantica
''Phoenix atlantica'' (common names Cape Verde Island date palm is an endangered species in the palm family Arecaceae, in the genus ''Phoenix''.〔Chevalier, Auguste Jean Baptiste. 1935. Bulletin du Muséum d'Histoire Naturelle, sér. 2 7: 137, ''Phoenix atlantica''〕 It is endemic to the Cape Verde Islands.
==Overview==
''Phoenix atlantica'' is a relative of ''Phoenix dactylifera'', the cultivated date palm. ''P. atlantica'' is clearly distinct from its close relatives and that its closest relative is likely to be its nearest geographical neighbour, ''P. dactylifera''. The Cape Verde palm, is endemic to the Cape Verde Islands, and was erroneously characterized as a feral ''Phoenix dactylifera''.〔〔 Three species of the genus ''Phoenix'' are recorded from the Cape Verde Islands, ''P. dactylifera'' L., ''P. canariensis'' Chabaud and ''P. atlantica'' A. Chev. While human activity has almost certainly introduced the former two species, the latter is endemic to the islands.〔 Genetic isolation of Cape Verde Island ''P. atlantica'' was revealed by microsatellite markers and one chloroplast minisatellite marker to individuals of Phoenix from the Cape Verde Islands, ''P. dactylifera'', ''P. canariensis'' and ''P. sylvestris'', in order to assess the taxonomic position of ''P. atlantica'' within the genus. The DNA analysis by S. A. Henderson, N. Billotte and J.-C. Pintaud, demonstrated Genetic isolation of ''Phoenix atlantica''.〔
''Phoenix atlantica'' was first described in 1935 by the French botanist Auguste Chevalier. Its appearance is very similar to ''Phoenix dactylifera'', being more similar in form to ''P. dactylifera'' than to ''Phoenix canariensis'', and possessing characters of both. Tamareira is a clustering palm with 2 to 6 trunks, 5–15 m in height with dark green leaves 2–3 m in length. ''P. atlantica'' can be distinguished easily from ''P. canariensis'' by its clustering growth form and its shorter, straighter leaves. The Canary Island date palm is adapted to a wetter climate and cooler temperatures, down to −8 °C. Other distinctions between ''P. atlantica'' and ''P. dactylifera'' include acuminate petals in the male flowers according to Chevalier in 1935, Greuter in 1967, and Brochmann et al. in 1997. The fruit is an oval, pink drupe 2 cm long and 1 cm diameter and containing a single large seed, the fruit pulp is edible but scarce.〔
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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