Helianthus
 gira-sol  | |
| Planta | |
|---|---|
| Tipus de fruit | aqueni |
| Taxonomia | |
| Super-regne | Eukaryota |
| Regne | Plantae |
| Ordre | Asterales |
| Família | Asteraceae |
| Subfamília | Asteroideae |
| Gènere | Helianthus L., 1753 |
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
- 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
- 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
- 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
- «Helianthus in Flora of North America @ efloras.org». on-line version of Flora North America treatment of Helianthus
- See here for a more complete list of species
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