Encelia scaposa, common name onehead brittlebush is a North American species of flowering plants in the family Asteraceae. It has been found in western Texas, southwestern New Mexico, and Chihuahua.Biota of North America Program 2014 county distribution mapTropicos, specimen listing for Encelia scaposa (A. Gray) A. Gray SEINet, Southwest Biodiversity, Arizona chapter, Encelia scaposa includes photos, description, distribution map
Encelia scaposa is a shrub up to 60 cm (2 feet) tall. Leaves are oblanceolate to linear, rarely more than 10 cm (4 inches) long. One plant can produce several flower heads. The heads are unusual in the genus in having as many as 40 ray florets in addition to the disc florets.Flora of North America, Encelia scaposa (A. Gray) A. GrayGray, Asa. 1853. Smithsonian Contributions to Knowledge 5(6): 88 diagnosis in Latin, description and commentary in English
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