The transfer of Vernonia perangusta to the genus Vernonanthura (Vernonieae, Asteraceae) and the correct name for Vernonanthura phosphorica

Autor:	Alvaro Jose Vega, Massimiliano Dematteis
Rok vydání:	2014
Předmět:	food.ingredient biology Vernonieae Plant Science biology.organism_classification Tribe (biology) Chrysocoma Vernonanthura food Taxon Genus Botany Correct name Eupatorium Ecology Evolution Behavior and Systematics
Zdroj:	Phytotaxa. 8:46
ISSN:	1179-3163 1179-3155
DOI:	10.11646/phytotaxa.8.1.5
Popis:	The size and geographical distribution of the genus Vernonia , tribe Vernonieae, has been greatly reduced as a result of several revisionary studies. All species of Vernonia are now confined to the New World with the vast majority in continental North America. Of the South American species that were not placed in other genera in these treatments, but remained in Vernonia [i.e., V. echioides (Paraguay, Uruguay), V. greggii (Mexico), V. incana (Paraguay, Uruguay), V. perangusta (Brazil), V. rubioides (Brazil)], few have been studied in detail to confirm their generic status. Our work shows that V. perangusta is a member of the genus Vernonanthura and is hereby transferred to that genus. We also studied the widespread and variable taxon known originally as Vernonia polyanthes . This species was transferred to Vernonanthura as V. phosphorica (based on Chrysocoma phosphorica) , but the name Eupatorium polyanthes has priority over Chrysocoma phosphorica and thus a new combination for that taxon is also required in Vernonanthura .
Databáze:	OpenAIRE
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