Dalechampia erythrostyla (Euphorbiaceae), a New Species from Northeastern Brazil

被引：7
|
作者：
Pereira-Silva, Rafaela Alves [1 ]
Athie-Souza, Sarah Maria [1 ]
Secco, Ricardo de S. [2 ]
de Melo, Andre Laurenio [3 ]
de Sales, Margareth Ferreira [1 ]
机构：
[1] Univ Fed Rural Pernambuco, Postgrad Program Bot, Ave Manuel Medeiros S-N, BR-52171930 Recife, PE, Brazil
[2] Museu Paraense Emilio Goeldi, Dept Bot, CP 399, BR-66040170 Belem, PA, Brazil
[3] Univ Fed Rural Pernambuco, Unidade Acad Serra Talhada, Fazenda Saco S-N, BR-56900000 Serra Talhada, PE, Brazil
来源：
SYSTEMATIC BOTANY | 2016年 / 41卷 / 04期
关键词：
Dioscoreifoliae; Atlantic Forest; Plukenetieae; taxonomy; POLLINATION; DEFENSE;
D O I：
10.1600/036364416X694116
中图分类号：
Q94 [植物学];
学科分类号：
071001 ;
摘要：
A new species of Dalechampia from Brazil is described and illustrated. Dalechampia erythrostyla is a twining vine and forms relatively dense populations in a disturbed area of the Atlantic Forest, where it has been facing a high risk of extinction. This species is superficially similar to D. alata, D. papillistigma, D. pentaphylla, D. purpurata, and D. violacea, but it differs from them in multiple morphological aspects, including leaf division, size of petiolar stipules and stipels, leaflet shape, number and color of lobes of involucral bracts, number and margin of pistillate sepals, color, size, and shape of stigma.
引用
收藏
页码：989 / 995
页数：7
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