首页> 外文期刊>Journal of the Botanical Research Institute of Texas >FOUR NEW COMBINATIONS IN MOSIERA (MYRTACEAE) FROM THE CARIBBEAN
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FOUR NEW COMBINATIONS IN MOSIERA (MYRTACEAE) FROM THE CARIBBEAN

机译:加勒比海MOSIERA(MYRTACEAE)中的四个新组合

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摘要

New combinations for four Caribbean species of Myrtaceae formerly assigned to Eugenia L. or Psidium L. are proposed: Mosiera androsiana, M. cuspidata, M. gracilipes, and M. xerophytica. A lectotype is selected for Mosiera androsiana. Recent taxonomicand molecular studies of Mosiera (Landrum 1992; Salywon 2003; Salywon et al. 2004; Salywon & Landrum in press) have clarified the boundaries of the genus. However there are no morphological synapomorphic characters that differentiate Mosiera from relatedgenera. It is therefore separated from other genera by a combination of characters including: tetramerous flowers, lustrous or glandular seed coats one to six cells thick, and C-shaped embryos with cotyledons that are ca. V* the length and about the same width as the hypocotyls. Landrum and Kawasaki (1997) and Salywon and Landrum (in press) provide keys to distinguish Mosiera from similar genera. The genus contains approximately 18 species distributed mainly in the Caribbean, with two species in Mexicoand one of these in Guatemala. New combinations are required for four Caribbean species previously placed in Eugenia or Psidium that can be assigned to Mosiera, in order to make the names available for a manuscript in preparation on the molecular systematics of the family (Salywon et al. in prep.).
机译:提出了以前属于Eugenia L.或Psidium L.的四种桃金娘科的新加勒比海种的组合:毛叶蔷薇(Mosiera androsiana),虎杖M. gracilipes和旱生草M. xerophytica。为Mosiera androsiana选择一个选型。 Mosiera最近的分类学和分子研究(Landrum 1992; Salywon 2003; Salywon等人2004; Salywon和Landrum出版)阐明了该属的界限。但是,没有将Mosiera与相关属区分开的形态上的共形特征。因此,它与其他属通过以下特征的组合而分开:四叶花朵,有光泽或具腺的种皮厚1至6个细胞,以及带有子叶的C形胚,大约为。 V *与下胚轴的长度和大约相同的宽度。 Landrum和Kawasaki(1997)以及Salywon和Landrum(印刷中)提供了区分Mosiera和相似属的关键。该属包括大约18种,主要分布在加勒比海地区,其中2种在墨西哥,其中1种在危地马拉。为了使先前放置在Eugenia或Psidium中的四个加勒比物种(可以分配给Mosiera)需要新的组合,以便使该名称可用于手稿,以便在该家族的分子系统中进行准备(Salywon等人,准备)。

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