• Thumbnail for Helianthus petiolaris
    Arizona, Colorado, Nevada, Utah Helianthus petiolaris var. var. petiolaris - most of species range "Helianthus petiolaris". The Global Compositae Checklist...
    6 KB (664 words) - 21:32, 26 April 2024
  • Thumbnail for Helianthus
    the species of Helianthus are native to North America and Central America. The best-known species is the common sunflower (Helianthus annuus). This and...
    31 KB (3,175 words) - 02:44, 21 November 2024
  • Thumbnail for Common sunflower
    climates similar to Texas. In contrast, the related Helianthus debilis and Helianthus petiolaris are found on drier, sandier soils. The precise native...
    50 KB (5,305 words) - 11:10, 17 November 2024
  • H. petiolaris may refer to: Hakea petiolaris, the sea-urchin hakea, a shrub or small tree species endemic to the south-west of Western Australia Helianthus...
    571 bytes (96 words) - 07:54, 13 December 2023
  • Thumbnail for Helianthus anomalus
    Helianthus anomalus, the western sunflower, is a species of plants in the family Asteraceae, found in the southwestern United States. Helianthus anomalus...
    6 KB (714 words) - 04:48, 3 January 2024
  • Thumbnail for Helianthus paradoxus
    salt flats. Helianthus paradoxus formed 75,000-208,000 years ago as a hybrid of H. annuus, the common sunflower, and Helianthus petiolaris, the prairie...
    4 KB (392 words) - 21:51, 1 September 2024
  • (1,300–4,900 ft). Helianthus deserticola is a daughter species of the species Helianthus annuus and Helianthus petiolaris. Helianthus deserticola is an...
    2 KB (176 words) - 22:10, 21 November 2023
  • Thumbnail for List of flora of Indiana
    Helianthus microcephalus (N) Helianthus mollis (N) Helianthus × multiflorus (N) Helianthus occidentalis ssp. occidentalis (N) Helianthus petiolaris ssp...
    137 KB (11,737 words) - 13:08, 7 September 2024
  • purple disc florets. Helianthus neglectus hybridizes with several other species in the region: H. annuus, H. debilis, and H. petiolaris. Biota of North America...
    2 KB (151 words) - 22:23, 21 March 2021
  • Thumbnail for Schinia avemensis
    from July to August depending on the location. The larvae feed on Helianthus petiolaris. Anweiler, G. G. (7 September 2004). "Species Details Schinia avemensis"...
    1,022 bytes (75 words) - 14:16, 9 January 2024
  • Thumbnail for Arthur's Rock
    yarrow (Achillea millefolium), prairie sunflower (Helianthus petiolaris), common sunflower (Helianthus annuus), prairie bluebell (Mertensia lanceolata)...
    5 KB (439 words) - 01:00, 11 November 2024
  • Thumbnail for Scaled quail
    study reported substantial amounts of prairie sunflower seeds (Helianthus petiolaris) and pigweed (Amaranthus spp.) seeds in the diet of scaled quail...
    24 KB (3,075 words) - 00:28, 16 October 2024
  • show the transgressive segregation of parental traits. Helianthus annuus and Helianthus petiolaris are the two parent groups for the hybrids. Ultimately...
    8 KB (1,182 words) - 05:08, 10 October 2022
  • Thumbnail for List of flora of Ohio
    Helianthus microcephalus (N) Helianthus mollis (N) Helianthus × multiflorus (N) Helianthus occidentalis ssp. occidentalis (N) Helianthus petiolaris ssp...
    135 KB (11,542 words) - 13:08, 7 September 2024
  • sunflower Helianthus petiolaris — prairie sunflower Helianthus strumosus — paleleaf sunflower Helianthus tuberosus — Jerusalem artichoke Helianthus × alexidis...
    40 KB (3,083 words) - 01:25, 16 November 2023
  • sunflower (Helianthus maximiliani) Nuttall's sunflower (Helianthus nuttallii ssp. rydbergii; special concern) Prairie sunflower (Helianthus petiolaris var....
    22 KB (1,517 words) - 18:00, 16 March 2022
  • Thumbnail for List of flora of the Sonoran Desert Region by common name
    porophyllum) prairie sagewort (Artemisia frigida) prairie sunflower (Helianthus petiolaris) pricklyleaf dogweed (Thymophylla acerosa) prickly lettuce (Lactuca...
    219 KB (13,756 words) - 02:31, 11 September 2024
  • Thumbnail for List of invasive plant species in the Indiana Dunes
    umbellata - autumn olive Euonymus atropurpureus - burning bush Helianthus petiolaris - petioled sunflower Hesperis matronalis - dame's rocket Holcus...
    5 KB (255 words) - 10:06, 1 July 2023
  • Thumbnail for Charles Bixler Heiser
    Arboretum. 9 pp. 1961. Morphological and cytological variation in Helianthus petiolaris with notes on related species. publ. Society for the Study of Evolution...
    13 KB (1,382 words) - 14:54, 21 September 2024
  • Thumbnail for Schinia
    sapphirinum, Gilia Schinia avemensis Dyar, 1904 Gold-edged gem Helianthus petiolaris Schinia bicuspida Smith, 1891 Isocoma drummondii, Machaeranthera...
    22 KB (407 words) - 16:57, 25 October 2023
  • Thumbnail for List of Asterales of Montana
    rockrose Helianthus annuus, common sunflower Helianthus maximiliani, Maximillian sunflower Helianthus nuttallii, Nuttall's sunflower Helianthus pauciflorus...
    26 KB (2,252 words) - 17:10, 1 April 2022
  • Thumbnail for Calligrapha exclamationis
    associated with the sunflower species Helianthus annuus (common sunflower), H. giganteus (giant sunflower), and H. petiolaris (prairie sunflower). It is a major...
    9 KB (892 words) - 20:48, 5 September 2024
  • Thumbnail for Plasmopara halstedii
    found to infect the genus’ Helianthus, Bidens, Artemisia, and Xanthium. The pathogen has the strongest impact on Helianthus, degrading flower yields in...
    12 KB (1,495 words) - 18:40, 14 April 2024
  • Thumbnail for Laboratory experiments of speciation
    Overmeer 1966 T. urticae Resistance to host plant toxin Fry 1999 Helianthus annus × H. petiolaris and H. anomalus Hybrid Rieseburg et al. 1996 S. cerevisiae...
    39 KB (3,802 words) - 20:12, 16 September 2024
  • invasive Genus Helianthus: Helianthus annuus L. not indigenous, invasive Helianthus argophyllus Torr. & A.Gray, not indigenous Helianthus debilis Nutt....
    245 KB (24,662 words) - 16:59, 4 May 2024