Psilostrophe cooperi

White-stem Paperflower; Cooper's Paperflower; Paper-daisy

A member of the Asteraceae, the Composite Family

Inflorescences.

Along Essex Road, about two miles northwest of junction with Black Canyon Road,
at ca. 3100 feet elevation.

4 May 2008.

Image copyright © Lee Dittmann.

Inflorescence detail with insect.

Same plant as in prior image.

4 May 2008.

Image copyright © Lee Dittmann.

Inflorescences; the flower head at left has finished blooming, and the rays have dried
and rather than dropping away, will persist in papery form—the origin of its common names.

Same plant as in prior images.

4 May 2008.

Image copyright © Lee Dittmann.

Inflorescence detail; many of the central "disk flowers" in the flower head at front
have been eaten by insects (perhaps those in the image) and are rather ragged around the edges.

Same plant as in prior images.

4 May 2008.

Image copyright © Lee Dittmann.

Flowering branches.

Same plant as in prior images.

4 May 2008.

Image copyright © Lee Dittmann.

Leaf and stem detail.

Same plant as in prior images.

4 May 2008.

Image copyright © Lee Dittmann.

Habit, in bloom; tape measure extended 12 inches.

Same plant as in prior images.

4 May 2008.

Image copyright © Lee Dittmann.

Habitat.

Same plant as in prior images.

4 May 2008.

Image copyright © Lee Dittmann.

Habitat; this individual with old, papery inflorescences.

Off of Hole in the Wall to Mid Hills Trail, ca. 2 to 3 miles northwest of
Hole in the Wall at elevation ca. 4600 feet.

7 April 2008.

Image copyright © Lee Dittmann.

Habit; tape measure extended 12 inches.

Same plant as in prior image.

7 April 2008.

Image copyright © Lee Dittmann.

Branches with dry, "inside-out" inflorescences, and new flower buds.

Same plant as in prior image.

7 April 2008.

Image copyright © Lee Dittmann.

Detail of underside of dry, "inside-out" inflorescence.

Same plant as in prior image.

7 April 2008.

Image copyright © Lee Dittmann.

This page created 14 September 2008.

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