Senecio pseudodepressus (Asteraceae, Senecioneae), a New Species from San Juan Province, Argentina

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Abstract:

Abstract—

Senecio pseudodepressus, a new species from the Province of San Juan, Argentina, is described and illustrated. Senecio pseudodepressus is morphologically similar to Senecio depressus, but it is distinguished by having mostly 3‐8-dentate leaves, pedunculate capitula and pubescent achenes. The new species is assigned to Senecio section Senecio series Chilenses subseries Candidi by its subshrubby habit, tomentose indumentum and solitary discoid capitula. A key to distinguish species of Senecio subser. Candidi with dentate leaves and large involucres is provided. The differences between Senecio pseudodepressus and its related taxa are also discussed.

Keywords: Compositae; Senecio ser. Chilenses; Senecio subser. Candidi; taxonomy

Document Type: Research Article

DOI: http://dx.doi.org/10.1600/036364413X666813

Publication date: June 1, 2013

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