Three new species of Lachemilla (Rosaceae) from South America

被引：0
|
作者：
Morales-Briones, Diego F. [1 ,2 ,3 ]
Romoleroux, Katya [4 ]
Tank, David C. [2 ,3 ]
机构：
[1] Univ Minnesota, Dept Plant & Microbial Biol, 140 Gortner Lab,1479 Gortner Ave, St Paul, MN 55108 USA
[2] Univ Idaho, Dept Biol Sci, 875 Perimeter Dr MS 3051, Moscow, ID 83844 USA
[3] Univ Idaho, Stillinger Herbarium, 875 Perimeter Dr MS 3051, Moscow, ID 83844 USA
[4] Pontificia Univ Catolica Ecuador, Escuela Ciencias Biol, Herbario QCA, Av 12 Octubre 1076 & Roca,Apartado 17-01-2184, Quito, Ecuador
来源：
PHYTOKEYS | 2019年 / 127期
基金：
美国国家卫生研究院; 美国国家科学基金会;
关键词：
Allopolyploidy; Colombia; Lachemilla; new species; paramo; Peru; Rosaceae;
D O I：
10.3897/phytokeys.127.36324
中图分类号：
Q94 [植物学];
学科分类号：
071001 ;
摘要：
Three new species of Lachemilla (Rosaceae), two from Colombia and one from Peru, are described and illustrated. Lachemilla rothmaleriana is characterized by its stout stems, sericeous-villous indumentum, and wide ascending sheaths with trilobate lateral lobes. Lachemilla argentea presents a unique combination of tripartite basal leaves with an adaxial silvery villous indumentum, and decumbent branches with verticillate lobed sheaths. Finally, Lachemilla cyanea has distinctly basal reniform leaves with a blue-green color and hirsute pubescence. Phylogenetic analyses of the nuclear ribosomal cistron and multiple regions of the plastid genome revealed the allopolyploid origin of the three new taxa.
引用
收藏
页码：93 / 119
页数：27
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