Euphorbia flaviana, a New Species from the Inselbergs of Bahia (Brazil) and Lectotypification of E. crossadenia

Author： Carneiro-Torres Daniela Santos   Cordeiro Inês   Giulietti Ana Maria   Riina Ricarda  

Publisher： American Society of Plant Taxonomists

ISSN： 0363-6445

Source： Systematic Botany, Vol.37, Iss.3, 2012-09, pp. : 688-693

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Abstract

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.

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