Baileya pleniradiata is a North American species of flowering plant in the daisy family, Asteraceae. It is known by the common name woolly desert marigold. It is native to desert regions of the southwestern United States and northern Mexico, where it grows in sandy habitats. It has been found in the States of Chihuahua,Harvey, William Henry & Asa Gray. 1849. Memoirs of the American Academy of Arts and Science, new series 4(1): 105–106, in footnotes Sonora, Baja California, Arizona, Utah, and Nevada.Flora of North America, Baileya pleniradiata Harvey & A. GrayBiota of North America Program 2014 county distribution mapCalflora taxon report, University of California, Baileya pleniradiata A. Gray Wooly Marigold, woolly desert marigold, woolly marigold

Description Baileya pleniradiata is an annual herb producing a light gray-green to nearly white woolly branching stem up to half a meter in height. The leaves are up to 8 centimeters long and may split into a few lobes.

Each inflorescence is composed of a single flower head which is borne on a peduncle up to 10 centimeters (4 inches) long. The flower head has a center of yellow disc florets surrounded by a fringe of ray florets, sometimes in two or more layers, each bright yellow and up to a centimeter in length. The fruit is a sharply angled achene a few millimeters long.

References

External links Jepson Manual Treatment - Baileya pleniradiata United States Department of Agriculture Plants Profile: Baileya pleniradiata Baileya pleniradiata - Calphotos Photo gallery, University of California