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Acta Botanica Mexicana
Article . 2003 . Peer-reviewed
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Acta Botanica Mexicana
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Acta Botanica Mexicana
Article . 2003
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Euphorbia nocens, anteriormente una variedad de Euphorbia hirta (Euphorbiaceae)

Authors: Victor W. Steinmann;

Euphorbia nocens, anteriormente una variedad de Euphorbia hirta (Euphorbiaceae)

Abstract

Euphorbia hirta es una especie ampliamente distribuida a través de las regiones tropicales y subtropicales del mundo. Anteriormente fueron reconocidas cuatro variedades de este taxon, aunque muchos autores prefieren tratar una de ellas, Euphorbia hirta var. procumbens, a nivel de especie como E. ophthalmica. En este artículo se presentan evidencias que apoyan la decisión de que las variedades de E. hirta deberían de ser tratadas como especies. Por consiguiente, se eleva E. hirta var. nocens a E. nocens, que difiere de E. hirta por tener semillas más grandes y más obscuras y por formar glomérulos de ciatios solamente en posición terminal. Es endémica de México, prosperando principalmente en bosques de pino-encino y su vegetación secundaria en altidudes de 1500 a 2400 m. Se incluye una descripción morfológica y una lista de especímenes examinados. También se proporciona una clave para separar esta especie de E. hirta, E. lineata y E. ophthalmica.

Related Organizations
Keywords

QK1-989, Botany

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citations
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
3
Average
Average
Average
Green
gold