Silphium perfoliatum

Silphium perfoliatum subsp. var.	Cup plant
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	Asteraceae > Silphium perfoliatum var. , L.

Silphium perfoliatum is a herbaceous perennial flowering plant in Asteraceae, the aster family, it is native from Eastern and Central North America. It grows in prairies, open woodlands, and on stream banks.

Standard Cyclopedia of Horticulture

Silphium perfoliatum, Linn. (S. erythrocaulon, Bernh.). Cup Plant. Indian Cup. St. square, usually dentate, branched above, about 6 ft. high: lvs. thin, ovate or deltoid-ovate, the lower contracted into margined petioles, the upper opposite, connate-perfoliate: fl.- heads 2-3 in. across, with 20-30 rays. July. Aug. Ont. to S. D. and Ga. CH The above text is from the Standard Cyclopedia of Horticulture. It may be out of date, but still contains valuable and interesting information which can be incorporated into the remainder of the article. Click on "Collapse" in the header to hide this text.

Varieties

There are two varieties: Silphium perfoliatum var. connatum and Silphium perfoliatum var. perfoliatum .

Gallery

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External links

• w:Silphium perfoliatum. Some of the material on this page may be from Wikipedia, under the Creative Commons license.
• Silphium perfoliatum QR Code (Size 50, 100, 200, 500)