Two new species of Miconia (Melastomataceae, Miconieae) from the Brazilian northern border and adjacent French Guiana

被引：4
|
作者：
Goldenberg, Renato [1 ]
Rocha Hinoshita, Lucas Katsumi [2 ]
机构：
[1] Univ Fed Parana, Dept Bot, Caixa Postal 19031, BR-81531970 Curitiba, Parana, Brazil
[2] Univ Fed Parana, Curso Posgrad Bot, Curitiba, Parana, Brazil
来源：
BRITTONIA | 2017年 / 69卷 / 04期
基金：
美国国家科学基金会;
关键词：
Amapa; Amazonas; Amazonia; Para; taxonomy; PHYLOGENY; GENUS;
D O I：
10.1007/s12228-017-9488-y
中图分类号：
Q94 [植物学];
学科分类号：
071001 ;
摘要：
Two new species of Miconia from northern Amazonia area described. Miconia amapaensis has been collected in the Brazilian state of Amapa and in nearby locations in northern Para and southern French Guiana. It has remarkable seeds, with both the appendix and seed coat covered with long papillae. Miconia forzzae has been collected on the Brazilian side of the Neblina Massif, in the Brazilian state of Amazonas, close to the border with Venezuela. It has 4-merous flowers, with a terete hypanthium, yellow stamens, the ovary apex with unbranched trichomes, and a punctiform stigma. This species may be endangered, considering its narrow distribution, and the fact that it was collected between 2000 and 2100 m elevation in an isolated mountain range with no neighboring mountains with similar height, but we assess its conservation status as "data deficient", due to a lack of knowledge on the situation of the populations and the number of individuals.
引用
收藏
页码：535 / 543
页数：9
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