Euphorbia flaviana, a New Species from the Inselbergs of Bahia (Brazil) and Lectotypification of E. crossadenia
Abstract—
Euphorbia flaviana , a new species endemic to the State of Bahia in eastern Brazil, is described and illustrated. The new species belongs to Euphorbia [subgenus Chamaesyce] section Crossadenia and is morphologically most similar to Euphorbia teres, from which it differs in having thinner, longer, numerous verticillate branches, and involucral glands without appendages. An artificial key to all nine members of Euphorbia section Crossadenia is provided, and Euphorbia crossadenia is lectotypified.
Euphorbia flaviana , a new species endemic to the State of Bahia in eastern Brazil, is described and illustrated. The new species belongs to Euphorbia [subgenus Chamaesyce] section Crossadenia and is morphologically most similar to Euphorbia teres, from which it differs in having thinner, longer, numerous verticillate branches, and involucral glands without appendages. An artificial key to all nine members of Euphorbia section Crossadenia is provided, and Euphorbia crossadenia is lectotypified.
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Keywords: Euphorbiaceae; morphology; section Crossadenia; subgenus Chamaesyce
Document Type: Research Article
Publication date: 2012-07-01
- Systematic Botany is the scientific journal of the American Society of Plant Taxonomists and publishes four issues per year.
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2011 ISI Journal Citation Reports® Rankings: 87/190 - Plant Sciences
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