Parthenium hispidum Raf.

American Feverfew

Parthenium integrifolium var. hispidum plant

Family - Asteraceae

Stems - No info. yet.

Parthenium integrifolium var. hispidum stem

Leaves - No info. yet.

Parthenium integrifolium var. hispidum leaves

Inflorescence - No info. yet.

Parthenium integrifolium var. hispidum inflorescence

Involucre - No info. yet.

Ray flowers - No info. yet.

Disk flowers - No info. yet.

Parthenium integrifolium var. hispidum flowersFlowers close-up.

Flowering - May - October.

Habitat - Limestone glades, bald knobs, rocky prairies.

Origin - Native to U.S.

Other info. - This species can be found in the Ozark region of Missouri. It is a characteristic glade species.

Many authors treat this plant as a variety of P. integrifolium. The var. integrifolium is more common in the state and is a larger plant. The two species are quite similar.

Photographs taken in the Ozark Scenic Riverways, Shannon County, MO., 5-28-03, and in Providence Prairie, Lawrence County, MO., 6-18-05.


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