Hayfield tarweed
Aster Family
Hemizonia congesta
Asteraceae
--more--
common name
Hayfield tarweed
accepted scientific name
Hemizonia congesta
DC.
rules for finding collection records
Hemizonia clevelandii (71)
Hemizonia congesta (1919)
Hemizonia lutescens (48)
Hemizonia luzulifolia (146)
Hemizonia multicaulis (28)
family name
Asteraceae
| Image Author: ©2007 Keir Morse
Image License: CC BY-NC-SA
Image Source
Image Source
Category: Wildflowers
Flowers: Many petals
Petal colors: 
Flower size is .6 to 1.4 inches
Number of ray petals: 5 to 14
Leaf: Alternate, Basal
Plant Observed 3rd week of April thru end of November
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