Deinandra halliana, Hall's tarplant, is a California species of plants in the tribe Madieae within the family Asteraceae. It has been found in the Coast Ranges of Central California, in Monterey, Fresno, San Benito, and San Luis Obispo Counties.Calflora taxon report, University of California, Deinandra halliana (Keck) B.G. Baldwin, Hall's tarplant
Deinandra halliana is an annual herb up to 120 cm (4 feet) tall. It produces numerous flower heads in an open array, each head containing 8-14 yellow ray florets and as many as 60 disc florets with yellow corollas but yellow or brown anthers.Flora of North America, Deinandra halliana (D. D. Keck ) B. G. Baldwin, Novon. 9: 468. 1999.
References
External links photo of herbarium specimen at Missouri Botanical Garden, collected in San Luis Obispo County, isotype of Deinandra halliana