Helianthus és un gènere de plantes amb flors de la família de les asteràcies. Consta de 52 espècies i diverses subespècies totes elles originàries de nord-amèrica.
Taxonomia Helianthus agrestis : Southeastern Sunflower Helianthus angustifolius : Swamp Sunflower Helianthus annuus : Gira-sol comú Helianthus anomalus : Western Sunflower Helianthus argophyllus : Silverleaf Sunflower Helianthus arizonensis : Arizona Sunflower Helianthus atrorubens Helianthus bolanderi : Serpentine Sunflower Helianthus californicus : California Sunflower Helianthus carnosus : Lakeside Sunflower Helianthus ciliaris : Texas Blueweed Helianthus cinereus Helianthus couplandii : Prairie Sunflower Helianthus cusickii : Cusick's Sunflower miniatura|Prairie Sunflower (Helianthus petiolaris) Helianthus debilis : Cucumberleaf Sunflower Helianthus debilis ssp. cucumerifolius : Cucumberleaf Sunflower Helianthus debelis ssp. debilis : Beach Sunflower, Dune Sunflower Helianthus debilis ssp. silvestris : Cucumberleaf Sunflower Helianthus debilis ssp. tardiflorus : Cucumberleaf Sunflower Helianthus debilis ssp. vestitus : Cucumberleaf Sunflower Helianthus decapetalus : Thinleaf Sunflower Helianthus deserticola Helianthus divaricatus : Woodland Sunflower Helianthus eggertii : Eggert's Sunflower Helianthus floridanus : Florida Sunflower Helianthus giganteus Helianthus glaucophyllus : Whiteleaf Sunflower Helianthus gracilentus : Slender Sunflower Helianthus grosseserratus: Sawtooth Sunflower Helianthus heterophyllus : Variableleaf Sunflower Helianthus hirsutus Helianthus laciniatus : Alkali Sunflower Helianthus laetiflorus Helianthus laevigatus : Smooth Sunflower Helianthus longifolius : Longleaf Sunflower miniatura|Willowleaf Sunflower (Helianthus salicifolius) Helianthus maximiliani : Maximillian Sunflower Helianthus microcephalus : Small Woodland Sunflower Helianthus mollis : Downy Sunflower, Ashy Sunflower Helianthus multiflorus Helianthus neglectus : Neglected Sunflower Helianthus niveus Helianthus niveus ssp. canescens : Showy Sunflower Helianthus niveus ssp. tephrodes : Algodones Sunflower Helianthus nuttallii Helianthus nuttallii ssp. nuttallii : Nuttall's Sunflower Helianthus nuttallii ssp. parishii : Parish's Sunflower Helianthus nuttallii ssp. rydbergii : Rydberg's Sunflower Helianthus occidentalis : Fewleaf Sunflower Helianthus occidentalis ssp. occidentalis : Fewleaf Sunflower Helianthus occidentalis ssp. plantagineus : Fewleaf Sunflower Helianthus paradoxus : Paradox Sunflower Helianthus pauciflorus Helianthus pauciflorus ssp. pauciflorus : Stiff Sunflower Helianthus pauciflorus ssp. subrhomboideus : Stiff Sunflower Helianthus petiolaris Helianthus petiolaris ssp. fallax : Prairie Sunflower Helianthus petiolaris ssp. petiolaris: Prairie Sunflower Helianthus porteri : Porter's Sunflower Helianthus praecox Helianthus praecox ssp. hirtus : Texas Sunflower Helianthus praecox ssp. praecox : Texas Sunflower Helianthus praecox ssp. runyonii : Runyon's Sunflower miniatura|Jerusalem Artichoke (Helianthus tuberosus) Helianthus praetermissus : New Mexico Sunflower Helianthus pumilus : Little Sunflower Helianthus radula : Rayless Sunflower Helianthus resinosus : Resindot Sunflower Helianthus salicifolius : Willowleaf Sunflower Helianthus schweinitzii : Schweinitz's Sunflower Helianthus silphioides : Rosinweed Sunflower Helianthus simulans : Muck Sunflower Helianthus smithii : Smith's Sunflower Helianthus strumosus : Paleleaf Woodland Sunflower Helianthus tuberosus : Nyàmera
Referències
Enllaços externs on-line version of Flora North America treatment of Helianthus'' See here for a more complete list of species
Categoria:Heliantheae