Helianthus niveus
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| Helianthus niveus | |
|---|---|
Scientific classification  | |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Asterids |
| Order: | Asterales |
| Family: | Asteraceae |
| Genus: | Helianthus |
| Species: | H. niveus |
| Binomial name | |
| Helianthus niveus | |
| Synonyms[2] | |
| |
Helianthus niveus is a species of sunflower known by the common names showy sunflower and snowy sunflower. It is native to northern Mexico (Sonora, Baja California, Baja California Sur) and the Southwestern United States (Southern California, Arizona, New Mexico, and West Texas).[3][4]
Helianthus niveus is a taprooted annual or perennial sunflower growing to a maximum height over 1 m (40 in). The leaves are oval or lance-shaped, often with irregular lobes or teeth, and are covered in soft, white hairs. The flower heads are fringed with 13-21 bright yellow ray florets up to 2.5 cm (1 in) long surrounding a center of yellow to purple-red disc florets.[5][3]
Habitat
[edit]H. niveus grows in sandy soils, most often in sand dunes.[6]
References
[edit]- ^ Contreras, A.; Rhodes, L.; Maxted, N. (2016). "Helianthus niveus". IUCN Red List of Threatened Species. 2016: e.T20694323A20695326. doi:10.2305/IUCN.UK.2016-3.RLTS.T20694323A20695326.en. Retrieved 6 March 2023.
- ^ The Plant List, Helianthus niveus (Benth.) Brandegee
- ^ a b SEINet, Southwestern biodiversity, Arizona Chapter, Helianthus niveus (Benth.) Brandeg. includes photos, description, distribution map
- ^ Calflora taxon report, University of California, Helianthus niveus (Benth.) Brandegee Silver leaved sunflower, desert sunflower, showy sunflower photos, California distribution map
- ^ Jepson Manual Treatment
- ^ "Jepson eFlora".
External links
[edit]- USDA Plants Profile for Helianthus niveus (showy sunflower)
- Calflora: Helianthus niveus (Desert sunflower, Silver leaved sunflower)
- UC Calphotos gallery
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