common sunflower
Helianthus annuus
Collection Season 2
Summary 3
Helianthus annuus, the common sunflower, is a large annual forb of the genus Helianthus The sunflower is an erect, coarse, tap-rooted annual with rough-hairy stems 6-30 dm (2-10 ft) tall. The leaves are mostly alternate, egg-shaped to triangular, and entire or toothed. The flower heads are 7.5-15 cm (3- 6 in) wide and at the ends of branches. Ray flowers are yellow and disk flowers are reddish-brown.
Uses 2
Annual sunflower seeds provide a food source for game birds, songbirds and rodents. Native ungulates browse on the plants.
Seed Collection and Processing 2
Probable Locations 2
The annual sunflower is a common and widespread roadside plant.
Fontes e Créditos
- (c) rbye, alguns direitos reservados (CC BY-NC)
- (c) skramer16, alguns direitos reservados (CC BY-SA)
- Adaptado por skramer16 de uma obra de (c) Wikipedia, alguns direitos reservados (CC BY-SA), https://en.wikipedia.org/wiki/Helianthus_annuus
Mais informações
- BioDiversity4All taxon page
- African Plants - a photo guide
- Atlas of Living Australia
- Biodiversity Heritage Library
- BOLD Systems BIN search
- Calflora
- CalPhotos
- Catalogo de Plantas y Líquenes de Colombia
- eFloras.org
- Flora Digital de Portugal
- Flora of North America (beta)
- Global Biodiversity Information Facility (GBIF)
- Go Botany
- HOSTS - a Database of the World's Lepidopteran Hostplants
- IPNI (with links to POWO, WFO, and BHL)
- Jepson eFlora
- Maryland Biodiversity Project
- NatureServe Explorer 2.0
- NBN Atlas
- New Zealand Plant Conservation Network
- OregonFlora.org
- SEINet Symbiota portals
- Tropicos
- USDA PLANTS database
- VASCAN by Canadensys
- World Flora Online
- 日本のレッドデータ検索システム
- 植物和名−学名インデックス YList
