Centromadia parryi, the pappose tarweed,[2] is a species of plant in the tribe Madieae within the family Asteraceae. It is found in North America where it is native to California and, northern Baja California.[3][4]
Centromadia parryi is an herb up to 70 cm (28 inches) tall. It produces arrays of numerous yellow flower heads with both ray florets and disc florets.[5][6][7]
- Centromadia parryi subsp. australis (D.D.Keck) B.G.Baldwin - from Santa Barbara Co to Baja California
- Centromadia parryi subsp. congdonii (B.L.Rob. & Greenm.) B.G.Baldwin - from Solano Co to San Luis Obispo Co
- Centromadia parryi subsp. parryi - from Glenn Co to Santa Clara Co
- Centromadia parryi subsp. rudis (Greene) B.G.Baldwin - from Butte Co + Mendocino Co to Merced Co; also Modoc Co
References
- ^ a b The Plant List, Centromadia parryi (Greene) Greene
- ^ NRCS. "Centromadia parryi". PLANTS Database. United States Department of Agriculture (USDA). Retrieved 5 June 2015.
- ^ Biota of North America Program 2014 county distribution map
- ^ a b Calflora taxon report, University of California, Centromadia parryi (Greene) Greene, pappose tarweed
- ^ a b Flora of North America, Spikeweed, Centromadia Greene
- ^ Greene, Edward Lee 1894. Manual of the Botany of the Region of San Francisco Bay 197
- ^ Greene, Edward Lee 1882. Bulletin of the Torrey Botanical Club 9(2): 16 as Hemizonia parryi
External links
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