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San Joaquin tarweed
Holocarpha obconica
San Joaquin tarweed Aster Family
Holocarpha obconica Asteraceae
common name
  San Joaquin tarweed
accepted scientific name
  Holocarpha obconica (J.C. Clausen & D.D. Keck) D.D. Keck
rules for finding collection records
  Holocarpha obconica (130)
family name
Image Author: ©2011 Zoya Akulova
Image License: CC BY-NC
Image Source Image Source
Category: Wildflowers
Flowers: Many petals
Petal colors: color
Flower size is about 0.5 inches
Number of ray petals: 4 to 9
Leaf: Alternate
Plant Observed beginning of April thru end of November

How Likely at this Location (12%)
Name Match (100%)
Plant Showiness (45%)
Links to Plant Photos
Cal Photos (29)
base map where plant found
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Salt Marsh
Native Plant Status
native status map native status map
native Native
native Not Present

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