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Baileya pleniradiata
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Eudicots
Clade:	Asterids
Order:	Asterales
Family:	Asteraceae
Genus:	Baileya
Species:	B. pleniradiata
Binomial name
Baileya pleniradiata Harvey & A.Gray
Synonyms
Baileya multiradiata var. perennis (A.Nelson) Kittell Baileya multiradiata var. pleniradiata Coville Baileya nervosa M.E.Jones Baileya perennis (A.Nelson) Rydb. Baileya pleniradiata var. perennis A.Nelson Baileya pleniradiata var. thurberi Rydb.

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, Sonora, Baja California, Arizona, Utah, and Nevada.

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

1. Tha Plant List, Baileya pleniradiata Harv. & A.Gray ex A.Gray
2. "Baileya pleniradiata Harv. & A.Gray". Plants of the World Online. The Trustees of the Royal Botanic Gardens, Kew. n.d. Retrieved November 24, 2024.
3. "Baileya pleniradiata Harv. & A.Gray". Catalogue of Life. Species 2000. n.d. Retrieved November 24, 2024.
4. Harvey, William Henry & Asa Gray. 1849. Memoirs of the American Academy of Arts and Science, new series 4(1): 105–106, in footnotes
5. ^ Flora of North America, Baileya pleniradiata Harvey & A. Gray
6. Biota of North America Program 2014 county distribution map
7. Calflora taxon report, University of California, Baileya pleniradiata A. Gray Wooly Marigold, woolly desert marigold, woolly marigold

External links

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

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• Flora of the Southwestern United States
• Plants described in 1849
• Taxa named by William Henry Harvey
• Taxa named by Asa Gray
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