Wheel milkweed Photo by Robert Behrstock

Wheel milkweed Photo by Robert Behrstock

Wheel milkweed

Asclepias uncialis

Unknown

©R.A. Behrstock/Naturewide Images

http://www.naturewideimages.com/

Location: United States > Arizona > Santa Cruz
Date: May 21, 2017
Caption: Appleton Whittell Research Ranch, grassland with scattered oaks, c. 5,000' elev.

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