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Taxonomic notes on the genus Chrysolaena (Vernonieae, Asteraceae), including a new species endemic to Paraguay
The genus Chrysolaena H. Rob. (Vernonieae, Asteraceae) is redefined to include two taxa previously placed in Lessingianthus subgen. Oligocephalus H. Rob. Additionally, a new species of the genus endemic to eastern Paraguay is described and illustrated. The new species differs from its morphologicall...
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Published in: | Annales botanici fennici 2007, Vol.44 (1), p.56-64 |
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Main Author: | |
Format: | Article |
Language: | English |
Subjects: | |
Online Access: | Get full text |
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Summary: | The genus Chrysolaena H. Rob. (Vernonieae, Asteraceae) is redefined to include two taxa previously placed in Lessingianthus subgen. Oligocephalus H. Rob. Additionally, a new species of the genus endemic to eastern Paraguay is described and illustrated. The new species differs from its morphologically closest species, C. simplex (Less.) Dematteis, in its inflorescence of a single head, 3—4-seriate involucre, pilose corolla lobes and discolorous leaves, with silvery-greyish hairs on the abaxial surface. |
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ISSN: | 0003-3847 1797-2442 |