favicon Wildflower Identification Website.        Search for wildflowers by location, color, shape and time.       Click here for Instructions.       Login
Search Results
Centromadia pungens
common spikeweed Aster Family
Centromadia pungens Asteraceae
--more--
common names
  common spikeweed
  common tarweed
accepted scientific name
  Centromadia pungens (Hook. & Arn.) Greene
rules for finding collection records
  Centromadia pungens
  Hemizonia pungens
family name
  Asteraceae
Image Author: ©2011 Anthony Valois and the National Park Service
Image License: public domain
Image Source
Category: Wildflowers
Flowers: Many petals
Petal colors: color
Flower size is .4 to .6 inches
Number of ray petals: 11 to 26
Leaf: Alternate
Plant Observed 3rd week of March thru 2nd week of November
Invasive in WA. Noxious weed in OR.

How Likely at this Location (35%)
Name Match (100%)
Plant Showiness (45%)
Links to Plant Photos
Cal Photos (82)
R.L.Carr (18)
G.D.Carr (16)
Tony Valois NPS (6)
Wikimedia Commons (4)
Jay Sullivan (1)
Cal Photos (1)
base map where plant found

Salt Marsh
Disturbed
Grassland
Riparian
Meadow
grid lines base