Ambrosia dumosa (A.Gray) W.W.Payne

White Bur-Sage
Asteraceae - Asterales

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Protologue: J. Arnold Arbor. 45: 422 (1964)
Pronunciation: Am-brò-si-a du-mò-sa
Etymology: Gr. for food of the gods + bushy, shrubby

Jepson eFlora Treatment

SD County Synoptic Voucher


Distribution:
  
LEFT: S.D. County Plant Atlas (http://sdplantatlas.org). RIGHT: SEINet (http://swbiodiversity.org/seinet). Accessed 5 Apr 2020.

Images:

Ambrosia dumosa
Shrub, growing in desert wash (arroyo).


Ambrosia dumosa
Close-up of leaves, pinnately lobed to divided (pinnatifid).


Ambrosia dumosa
Inflorescence, of male and female heads (plant monoecious). Involucral bracts are spiny, the unit fruit a bur, hence the common name bur-sage.