Taxonomy

Classification

Group: Spermatophytina (Spermatophytes)
Family: Asteraceae (Daisy family)
Genus: Helianthus (Sunflower)

Synonyms

Related species

Helianthus tuberosus L. - Jerusalem Artichoke
Helianthus decapetalus L. - Thin-Leaved Sunflower
Helianthus pauciflorus Nutt. - Stiff Sunflower

Traits

1–5 m tall, without latex. inflorescence: capitula (with involucres); stalk: foliated up to below the capitulum. capitula: erect, with tubular and ray-flowers, Ø 30–100 mm; capitula-base: flat, with receptacular bracts. involucre: 20–40‑leaved. involucral bracts: pro...

You find the complete description in our identification books.

Distribution

Distribution in Europe

Legend

The colours represent the floristic status of the species in the respective region. Green indicates native occurrences, light green naturalized occurrences. Adventive occurrences are represented by light yellow shades and plants that are cultivated (but rarely occur in the wild) are dark yellow. Grey colours are used, if the floristic status of species is unknown or uncertain.

Distribution in Germany

Legend

	Natural, established occurences
	Artificial occurences

The color intensity reflects the species' abundance

Data: Floristische Kartierung Deutschlands (Stand 2013), Bundesamt für Naturschutz (www.floraweb.de)

Ecology

Links

• BRC.UK (english)
• wiki (english)
• Floraweb (deutsch)
• inflora.CH (deutsch)
• wiki (deutsch)
• Tela Botanica (français)
• inflora.CH (français)
• wiki (français)
• inflora.CH (italiano)