Roldana also known as groundsel is a genus of large herbs or subshrubs from the tribe groundsel tribe within the sunflower family.Most if not all of its members used to be members of a related genus,Senecio. The species which are native to Southwest United States, Mexico and Central America and naturalized elsewhere.
formerly includedseveral species now regarded as better suited to other genera: Senecio Trixis
Media related to Roldana at Wikimedia Commons
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