Tuesday, July 7, 2020

Prince's Plume (Stanleya pinnata)

Prince's Plume; Orem Foothills, 6/24/2020, David Kenison


In the Brassicaceae family, sometimes identified as a mustard. Known as Prince’s Plume, Desert Prince’s Plume, Golden Prince's Plume, and Sentinel Of The Plains.

The stunning, intricate bright yellow cylindrical blooms of this perennial flower appear in late spring and early summer. They thrive in the foothills of the Wasatch up to about 9000'. They seem to prefer rocky, dry soil; the delicate and dramatic blooms are a lovely contrast to the environment where they often thrive.

They typically have mounds of light-green foilage with tall flower stalks protruding above. The plants can grow as high as 5 feet tall. The blossom stem blooms upward from the bottom, so partial stems are often seen as the blooms are still emerging.

The plant is toxic to animals.

The scientific genus name Stanleya is in honor of British naturalist Lord Edward Stanley, 13th Earl of Derby (1775-1851) and a former President of the Linnean Society. The species pinnata (Latin for feathers) describes the feathery appearance of the lower leaves.

These photos were taken by the author at a variety of locations around Utah.  Click to view enlargements.





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