向日葵属属

向日葵属植物的特点是具有小花聚合成盘状，周围呈放射性舌状花为中性不育花，内部盘花两性，有两个成熟后易脱落的，鳞片状冠毛；果实为瘦果。

向日葵属植物有一年生的也有多年生的，都是草本植物。

种

Helianthus agrestis: Southeastern Sunflower

狭叶向日葵 Helianthus angustifolius: Swamp Sunflower

向日葵 Helianthus annuus

Helianthus anomalus: Western Sunflower

绢毛葵 Helianthus argophyllus: Silverleaf Sunflower

Helianthus arizonensis: Arizona Sunflower

黑紫向日葵 Helianthus atrorubens

Helianthus bolanderi: Serpentine Sunflower

Helianthus californicus: California Sunflower

• Helianthus carnosus: Lakeside Sunflower
• 蓝茎向日葵 Helianthus ciliaris
• Helianthus cinereus

Helianthus couplandii: Prairie Sunflower

Helianthus cusickii: Cusick's Sunflower

小花葵 Helianthus debilis

瓜叶葵 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

千瓣葵 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
• 美丽向日葵 Helianthus laetiflorus
• Helianthus laevigatus: Smooth Sunflower

Helianthus longifolius: Longleaf Sunflower

糙叶向日葵 Helianthus maximiliani: Maximillian Sunflower

Helianthus microcephalus: Small Woodland Sunflower

毛叶向日葵 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

原野向日葵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

柳叶向日葵 Helianthus salicifolius

Helianthus schweinitzii: Schweinitz's Sunflower

Helianthus silphioides: Rosinweed Sunflower

Helianthus simulans: Muck Sunflower

Helianthus smithii: Smith's Sunflower

Helianthus strumosus: Paleleaf Woodland Sunflower

菊芋 Helianthus tuberosus