Two new species of Euphorbia sect. Nummulariopsis (Euphorbiaceae) from South America

被引：5
|
作者：
Carrillo-Reyes, Pablo [1 ]
Steinmann, Victor W. [1 ]
机构：
[1] Ctr Reg Bajio, Inst Ecol, AC, Patzcuaro 61600, Michoacan, Mexico
来源：
ANALES DEL JARDIN BOTANICO DE MADRID | 2011年 / 68卷 / 02期
基金：
美国国家科学基金会;
关键词：
Brazil; Euphorbia cordeiroae; E; guaraniorum; Paraguay; Portulacastrum;
D O I：
10.3989/ajbm.2282
中图分类号：
Q94 [植物学];
学科分类号：
071001 ;
摘要：
Carrillo-Reyes, P. & Steinmann, V.W. 2011. Two new species of Euphorbia sect. Nummulariopsis (Euphorbiaceae) from South America. Anales Jard. Bot. Madrid 68(2): 167-173. Two new species of sect. Nummulariopsis, Euphorbia guaraniorum and E. cordeiroae, are described and illustrated. Euphorbia guaraniorum appears to be related to E. portulacoides and is distinguished by its densely arranged ensiform leaves. It is known only from the Yacyreta and Ybycui Islands in southern Paraguay. Euphorbia cordeiroae, occurs in the state of Goias, Brazil, and is similar to E. stenophylla, from which it differs in its higher stature and very narrow and loosely arranged leaves.
引用
收藏
页码：167 / 173
页数：7
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