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A new species and variety of Senecio [Asteraceae] from Patagonian Argentina

Por: Tortosa, R. D.
Colaborador(es): Bartoli, A.
ISSN: 1055-3177.Tipo de material: Artículos y capítulos. Recurso electrónico.Tema(s): ARGENTINA | ASTERACEAE | IUCN RED LIST | PATAGONIA | SENECIO | CABRERA | Recursos en línea: Haga clic para acceso en línea | LINK AL EDITOR. En: Novon Vol. 20, no. 1 (2010) 106-110Resumen: Two novelties in the genus Senecio L. sect. Senecio of Patagonia [Argentina] are described and illustrated: a new species, S. breviramulus Tortosa and Adr. Bartoli belonging to series Xerosenecio [Cabrera] Cabrera and S. E. Freire, and the new variety pinohachense Tortosa and Adr. Bartoli for S. volckmannii Phil. belonging to series Suffruticosi Cabrera subser. Candidi [Cabrera] Cabrera and S. E. Freire. The new species is allied to S. covasii Cabrera and S. pumilus Tortosa and Adr. Bartoli, from which it differs by the smaller, narrowly elliptic leaves and narrower heads with fewer flowers. The new variety of S. volckmannii differs from the typical variety by the presence of female ray florets and the pedunculate capitula.
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Two novelties in the genus Senecio L. sect. Senecio of Patagonia [Argentina] are described and illustrated: a new species, S. breviramulus Tortosa and Adr. Bartoli belonging to series Xerosenecio [Cabrera] Cabrera and S. E. Freire, and the new variety pinohachense Tortosa and Adr. Bartoli for S. volckmannii Phil. belonging to series Suffruticosi Cabrera subser. Candidi [Cabrera] Cabrera and S. E. Freire. The new species is allied to S. covasii Cabrera and S. pumilus Tortosa and Adr. Bartoli, from which it differs by the smaller, narrowly elliptic leaves and narrower heads with fewer flowers. The new variety of S. volckmannii differs from the typical variety by the presence of female ray florets and the pedunculate capitula.

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