San Pedro Matchweed

San Pedro Matchweed
Xanthocephalum gymnospermoides

Family:Composite or Sunflower (Compositae)

Size: To 1.5 in wide in tight heads of many flowers.

Date: 8/13/2001

Other names:

Notes: The plant may be 6 feet tall. A relative of gumweeds, the leaves and bracts are sticky. 2 species of Xanthocephalum in Arizona.