Family: Asteraceae
bur ragweed, skeleton-leaf bur ragweed, skeleton-leaf bur-sage
[Franseria discolor Nutt.]
Botancial Illustration
from USDA Plants website
Etymology: Ambrosia: Greek for "food of the gods"
Plants: erect, perennial forb with many branches; creeping, colony forming roots
Leaves: mostly alternate, white hairs below, 2-3 times pinnately-divided
Flowers: inflorescence of many, small, gree, bead-like heads on spikes; blooms May-Aug.
Fruits: not on fluffy pappus
Conservation Status: Introduced - adventive
Plants: erect, perennial forb with many branches; creeping, colony forming roots
Leaves: mostly alternate, white hairs below, 2-3 times pinnately-divided
Flowers: inflorescence of many, small, gree, bead-like heads on spikes; blooms May-Aug.
Fruits: not on fluffy pappus
Conservation Status: Introduced - adventive
Flora of North America: Flora of North America USDA Plants Database: Federal Distribution and detailed information including photos
from USDA Plants website