Publication Date:
2024-01-12
Description:
The genus Stenocephalum (Vernonieae, Asteraceae) includes six South American species that have cylindrical heads, 4\xe2\x80\x9311 florets by capitula, cymose inflorescences and type \xe2\x80\x98C\xe2\x80\x99 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\xe2\x80\x9320 mm long, leaf blades villous at the base and capitula agglomerate at the stems tips, while S. apiculatum presents leaves of 30\xe2\x80\x9360 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:
Vernonia
;
Compositae
;
South America
;
Brazil
;
taxonomy
Repository Name:
National Museum of Natural History, Netherlands
Type:
info:eu-repo/semantics/article
Format:
application/pdf
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