Scientific Name
Silphium perfoliatum
Common Name
Cup-plant; Compass-plant
Wildflowers
Plant Fact Sheets
Consumer Hort
Life Cycle:
--
Height:
4 to 8 feet
Flower/fruit:
2 to 3 inch flower head with 20 to 30 yellow petals
Flowering Season:
Summer into fall
Foliage:
Two upper leaves surround the flower stalk, forming a shallow cup; large, rough, deeply pinnatified leaves; coarsely toothed lower leaves contract into a winged stalk; smooth, square stems
Site:
Open woods, meadows, prairies, thickets
Comments:
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Prepared by:
Erv Evans
, Consumer Horticulturist
Web Design by: Christa Johnson
Web Updates by: Ebony McLeod and Heather Monroe
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Images © by Erv Evans
