''Heterotheca sessiliflora'' is a species of flowering plant in the family
Asteraceae known by the common name sessileflower false goldenaster. It is native to
California,
Sonora
Sonora (), officially Estado Libre y Soberano de Sonora ( en, Free and Sovereign State of Sonora), is one of the 31 states which, along with Mexico City, comprise the Administrative divisions of Mexico, Federal Entities of Mexico. The state is d ...
, and
Baja California.
[Calflora taxon report, University of California, ''Heterotheca sessiliflora'' (Nutt.) Shinn., Golden Aster, false goldenaster, sessileflower false goldenaster ]
/ref>[
''Heterotheca sessiliflora'' grows in many types of habitats. It is a perennial herb which is quite variable in appearance, particularly across its four subspecies. It may be a small clumping or mat-forming plant or grow tall stems to heights exceeding a meter. It is coated in small bristles or long woolly hairs and it is glandular, particularly around the inflorescence. The flower head contains long yellowish disc florets and the edge is fringed with yellow ray florets.
;Subspecies + varieties][
*''Heterotheca sessiliflora'' subsp. ''bolanderi'' (A.Gray) Semple ]San Francisco Bay
San Francisco Bay is a large tidal estuary in the U.S. state of California, and gives its name to the San Francisco Bay Area. It is dominated by the big cities of San Francisco, San Jose, and Oakland.
San Francisco Bay drains water from a ...
area + coast of Redwood Country
*''Heterotheca sessiliflora'' subsp. ''echioides'' (Benth.) Semple - from San Diego County to Sonoma County
*''Heterotheca sessiliflora'' subsp. ''fastigiata'' (Greene) Semple - mountains of southern California
*''Heterotheca sessiliflora'' var. ''sessiliflora''
*''Heterotheca sessiliflora'' subsp. ''sessiliflora'' - from Baja California north as far as Santa Clara County
*''Heterotheca sessiliflora'' var. ''thiniicola'' (Rzed. & C.Ezcurra) G.L.Nesom - Gran Desierto de Alta northwestern Sonora
Sonora (), officially Estado Libre y Soberano de Sonora ( en, Free and Sovereign State of Sonora), is one of the 31 states which, along with Mexico City, comprise the Administrative divisions of Mexico, Federal Entities of Mexico. The state is d ...
[Tropicos, ''Haplopappus thiniicola'' Rzed. & E. Ezcurra ]
/ref>[Rzedowski, Jerzy & Ezcurra, Exequiel. 1986. Ciencia Interamericana 26(1–2): 16]
References
External links
Jepson Manual TreatmentUnited States Department of Agriculture Plants ProfileCalphotos Photo gallery, University of CaliforniaPhoto of herbarium specimen at Missouri Botanical Garden, collected in Santa Barbara County in 1902, isotype of ''Chrysopsis californica''
Flora of California
Flora of Baja California
Flora of Sonora
Plants described in 1840
sessiliflora
{{Astereae-stub