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Taxon: Helianthus exilis A. Gray

 
Genus: Helianthus
Family: Asteraceae (alt.Compositae)
Subfamily: Asteroideae
Tribe: Heliantheae
Nomen number: 104296
Place of publication: Proc. Amer. Acad. Arts 6:545. 1865
Link to protologue:
Name Verified on: 08-Mar-2010 by ARS Systematic Botanists.
Accessions: 36 (33 active, 33 available) in National Plant Germplasm System (Map)

Common names:

  • serpentine sunflower  (Source: F NAmer) - English

Distributional Range:

    Native

    Northern America
    • SOUTHWESTERN U.S.A.: United States [California]


References:

  1. Baldwin, B. G. et al., eds. The Jepson manual: vascular plants of California (on-line resource).
  2. Heiser, C. B., Jr. et al. 1969. The North American sunflowers (Helianthus). Mem. Torrey Bot. Club 22(3):71. Note: = Helianthus bolanderi A. Gray
  3. Kane, N. C. et al. 2009. Comparative genomic and population genetic analyses indicate highly porous genomes and high levels of gene flow between divergent Helianthus species. Evolution 63:2061-2075. Note: this study comments on the close affinity of Helianthus exilis to H. bolanderi, and no evidence of hybridization with H. annuus
  4. Sambatti, J. B. M. & K. J. Rice. 2006. Local adaptation, patterns of selection, and gene flow in the Californian serpentine sunflower (Helianthus exilis). Evolution 60:696-710.
  5. Schilling, E. E. 2001. Helianthus. Flora of North America. 21:141-169.
  6. Timme, R. E. et al. 2007. High-resolution phylogeny for Helianthus (Asteraceae) using the 18S-26S ribosomal DNA external transcribed spacer. Amer. J. Bot. 94:1837-1852. Note: this study examined subgeneric classification and evolution of polyploidy; it did not include Helianthus exilis, but it included its probably co-specific species H. bolanderi that was resolved in a well supported subclade sister to H. annuus - H. argophyllus pair

Check other web resources for Helianthus exilis A. Gray :

  • Flora of North America: Collaborative Floristic Effort of North American Botanists
  • PLANTS: USDA-NRCS Database of Plants of the United States and its Territories
  • BONAP North American Plant Atlas of the Biota of North America Program:
  • TROPICOS: Nomenclatural and Specimen Database of the Missouri Botanical Garden
  • ePIC: Electronic Plant Information Centre of Royal Botanic Gardens, Kew
  • AGRICOLA: Article Citation Database or NAL Catalog of USDA's National Agricultural Library
  • Entrez: NCBI's search engine for PubMed citations, GenBank sequences, etc.
  • PubAg: USDA's National Agricultural Library database of full-text journal articles and citations on the agricultural sciences.

Images:


Cite as: USDA, Agricultural Research Service, National Plant Germplasm System. 2020. Germplasm Resources Information Network (GRIN-Taxonomy).
National Germplasm Resources Laboratory, Beltsville, Maryland. URL: https://npgsweb.ars-grin.gov/gringlobal/taxonomydetail.aspx?id=104296. Accessed 11 July 2020.