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Achyrothalamus reduced to Erythrocephalum ( Asteraceae, Mutisieae )
Author(s) -
Ortiz Santiago,
Coutinho Antonio P.
Publication year - 2001
Publication title -
taxon
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.819
H-Index - 81
eISSN - 1996-8175
pISSN - 0040-0262
DOI - 10.2307/1223888
Subject(s) - asteraceae , taxon , genus , botany , synonym (taxonomy) , pollen , biology , zoology
Summary Ortiz, S. & Coutinho, A. P.: Achyrothalamus reduced to Erythrocephalum ( Asteraceae, Mutisieae ). – Taxon 50: 389–403. 2001. – ISSN 0040‐0262. The monotypic genus Achyrothalamus has been conventionally distinguished from Erythrocephalum principally by the absence of a pappus and the presence of phyllaries with entire margins. However, a critical re‐examination of 83 morphological and anatomical characters, and a detailed study of the pollen of the two genera, suggest that recognition of Achyrothalamus as a distinct genus is unjustified. We thus propose Achyrothalamus as a synonym of Erythrocephalum with the new combination E. marginatum.

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