Baileya pleniradiata

Baileya pleniradiata is a North American species of flowering plant in the daisy family, 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,[2] Sonora, Baja California, Arizona, Utah, and Nevada.[3][4][5]

Baileya pleniradiata
Scientific classification
Kingdom:
Plantae
(unranked):
Angiosperms
(unranked):
Eudicots
(unranked):
Asterids
Order:
Asterales
Family:
Asteraceae
Genus:
Baileya
Species:
B. pleniradiata
Binomial name
Baileya pleniradiata
Synonyms[1]
  • 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.

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.[3]

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.[3]

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References
  1. Tha Plant List, Baileya pleniradiata Harv. & A.Gray ex A.Gray
  2. Harvey, William Henry & Asa Gray. 1849. Memoirs of the American Academy of Arts and Science, new series 4(1): 105–106, in footnotes
  3. Flora of North America, Baileya pleniradiata Harvey & A. Gray
  4. Biota of North America Program 2014 county distribution map
  5. Calflora taxon report, University of California, Baileya pleniradiata A. Gray Wooly Marigold, woolly desert marigold, woolly marigold


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