Plants of the San Marcos Foothills Preserve
Descurainia pinnata (tansy mustard)
Uncommon, native, annual herb. Can grow in many environments, but found recently on sloped below Preserve high point. Flowers are yellow. Blooms in spring.
Descurainia pinnata (tansy mustard). Pictured in late winter.
Descurainia pinnata (tansy mustard). Pictured in late winter.
Descurainia pinnata (tansy mustard). Pictured in late winter.
Descurainia pinnata (tansy mustard). Pictured in late winter.