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首页> 外文期刊>Systematic Botany >A Phylogenetic and Taxonomic Review of Croton (Euphorbiaceae s.s.) on Jamaica Including the Description of Croton jamaicensis, a New Species of Section Eluteria
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A Phylogenetic and Taxonomic Review of Croton (Euphorbiaceae s.s.) on Jamaica Including the Description of Croton jamaicensis, a New Species of Section Eluteria

机译:对牙买加巴豆(Euphorbiaceae s.s.s.)的系统发育和分类学评论,包括部分横断面新种巴豆jamaicensis的描述

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摘要

The greater Caribbean region has played all important role in the early diversification of Croton L. (Euphorbiaceae s.s.). Jamaica is also important to Croton taxonomy because several of the earliest described species were based on material from the island. The Jamaican species of Croton are found in five distinct clades indicating that there were at least five separate over-water dispersal events of the genus to the island. Croton jamaicensis (section Eluteria Griseb.), a new species endemic to limestone hills along the southern coast of Jamaica, is described and illustrated. The species is phylogenetically most closely related to C. laurinus Sw. and C. grisebachianus Mull. Arg., both also endemic to Jamaica. Several lectotypifications and novel synonymies are required to clarify the taxonomy of the species of Croton that have been described from Jamaica, some of which are widespread in the region.
机译:大加勒比地区在巴豆L.(Euphorbiaceae s.s.)的早期多样化中发挥了重要作用。牙买加对巴豆分类法也很重要,因为最早描述的几种物种都是基于该岛的材料。在五个不同的进化枝中发现了巴豆属的牙买加物种,这表明该岛属至少有五个独立的水上扩散事件。描述并举例说明了巴豆(Croton jamaicensis)(Eluteria Griseb。节),它是牙买加南部沿海石灰岩山地特有的新物种。该物种与C. laurinus Sw的亲缘关系最密切。和C. grisebachianus Mull。 Arg。,也都是牙买加特有的。需要一些选型和新颖的同义词来阐明从牙买加描述的巴豆属的分类,其中一些在该地区很普遍。

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