Senecio rosmarinus y S. spegazzinii: Sinónimos de S. volckmannii (Asteraceae, Senecioneae)

senecio rosmarinus phil. and s. spegazzinii cabrera are included as synonyms of s. volckmannii phil. (section suffrutecius cabrera subsection candidi cabrera), species with discoid heads generally solitary at the end of stems, involucre broadly campanulate, with 15-24 phyllaries. the hair covering of plants, the shape of leaves and the pubescence of achenes are variable within this species.