向日葵屬

向日葵屬植物包括52種以及許多亞種，全部都是起源於北美洲，但現在有許多種已經作為食物或花卉被引進到世界各地種植。
向日葵屬植物的特點是具有小花聚合成盤狀，周圍呈放射性舌狀花為中性不育花，內部盤花兩性，有兩個成熟後易脫落的，鱗片狀冠毛；果實為瘦果。
向日葵屬植物有一年生的也有多年生的，都是草本植物。

**種**
 Helianthus agrestis : Southeastern Sunflower- 狹葉向日葵 Helianthus angustifolius : Swamp Sunflower- 向日葵 Helianthus annuus - Helianthus anomalus : Western Sunflower- 絹毛葵 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- 藍莖向日葵 Helianthus ciliaris - Helianthus cinereus- Helianthus couplandii : Prairie Sunflower- Helianthus cusickii : Cusick's Sunflower
原野向日葵(Helianthus petiolaris)- 小花葵 Helianthus debilis 
** 瓜葉葵 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- 美麗向日葵 Helianthus laetiflorus- Helianthus laevigatus : Smooth Sunflower- Helianthus longifolius : Longleaf Sunflower
柳葉向日葵(Helianthus salicifolius)- 糙葉向日葵 Helianthus maximiliani : Maximillian Sunflower- Helianthus microcephalus : Small Woodland Sunflower- 毛葉向日葵 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
菊芋，洋姜(Helianthus tuberosus)- Helianthus praetermissus : New Mexico Sunflower- Helianthus pumilus : Little Sunflower- Helianthus radula : Rayless Sunflower- Helianthus resinosus : Resindot Sunflower- 柳葉向日葵 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 


**註釋**

**外部鏈接**
 Helianthus-  中國引進的向日葵屬植物fix-attempted=yes  - 植物通-  北美植物中的向日葵屬date=20110711054043 -  向日葵屬品種列表 date=20210226035755