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Silphium perfoliatum
cup plant Aster Family
Silphium perfoliatum Asteraceae
common name
  cup plant
accepted scientific name
  Silphium perfoliatum L.
rules for finding collection records
  Silphium perfoliatum (1810)
family name
Image Author: ©2008 "Hardyplants"
Image License: public domain
Image Source
Category: Wildflowers
Flowers: Many petals
Petal colors: color
Flower size is 2.5 to 4. inches
Number of ray petals: 18 to 40
Leaf: Opposite, Basal
Plant Observed 2nd week of May thru 3rd week of October
Native, Invasive in CT

How Likely at this Location (48%)
Name Match (100%)
Plant Showiness (90%)
base map where plant found
mag select

grid lines base