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

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 Yacyretá and Ybycui Islands in sout...

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Bibliographic Details
Main Authors: Pablo Carrillo-Reyes, Victor W. Steinmann
Format: Article
Language:English
Published: Consejo Superior de Investigaciones Científicas 2011-12-01
Series:Anales del Jardín Botánico de Madrid
Subjects:
Online Access:http://rjb.revistas.csic.es/index.php/rjb/article/view/365
Description
Summary: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 Yacyretá and Ybycui Islands in southern Paraguay. Euphorbia cordeiroae, occurs in the state of Goiás, Brazil, and is similar to E. stenophylla, from which it differs in its higher stature and very narrow and loosely arranged leaves.
ISSN:0211-1322
1988-3196