Taxonomic position and identity of Stenocephalum monticola (Vernonieae, Asteraceae)
The genus Stenocephalum (Vernonieae, Asteraceae) includes six South American species that have cylindrical heads, 4–11 florets by capitula, cymose inflorescences and type 'C' pollen. Until now, Stenocephalum monticola has been considered as a synonym of S. apiculatum.
However, the analysis of the type material and additional specimens indicate that it is a quite different species, which differs in leaf size, pubescence and capitula arrangement. Stenocephalum monticola has leaves of 9–20 mm long, leaf blades villous at the base and capitula
agglomerate at the stems tips, while S. apiculatum presents leaves of 30–60 mm long, leaf blades basally glabrous and heads mostly solitary, arranged in a pseudo-spiciform inflorescence. Consequently, in this paper S. monticola is resurrected from the synonymy of S.
apiculatum, re-described and illustrated.
Keywords: BRAZIL; COMPOSITAE; SOUTH AMERICA; TAXONOMY; VERNONIA
Document Type: Research Article
Publication date: 01 December 2008
- Blumea is an international journal on the biodiversity, evolution and biogeography of plants, including topics on systematics, floristics, phylogeny, morphology and anatomy. For floristic studies, the focus is on tropical Africa south of the Sahara, tropical Southeast Asia with a strong emphasis on Malesia, and South America with emphasis on the Guianas. Papers in Blumea are subjected to peer review and are in English. Blumea is published three times a year, comprising c. 300 pages in total.
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