California rayless butterweed south of Hoffman Mountain
http://goo.gl/Aw3JD
Some kind of Senecio, maybe Senecio toluccanus. Please help.
Senecio (pronounced /sɨˈniËÂʃi.oÊŠ/) is a genus of the daisy family (Asteraceae) that includes ragworts and groundsels. The flower heads are normally rayed, completely yellow, and the heads are borne in branched clusters. Senecio is one of the largest genera of flowering plants, and despite the separation of many species into other genera it still contains over 1000 species of varied form, including leaf, stem and tuber succulents, annuals, perennials, aquatics, climbers, shrubs and small trees. Some...