Helianthus niveus
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| Species: | H. niveus
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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).[2][3]
H. 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.[4][2]
References
- ^ 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
External links
- USDA Plants Profile for Helianthus niveus (showy sunflower)
- Calflora: Helianthus niveus (Desert sunflower, Silver leaved sunflower)
- UC Calphotos gallery
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Categories:
- Helianthus
- Flora of Northwestern Mexico
- Flora of the California desert regions
- Flora of the South-Central United States
- Flora of Arizona
- Flora of the Chihuahuan Desert
- Flora of the Sonoran Deserts
- Natural history of the Colorado Desert
- North American desert flora
- Plants described in 1895
- Taxa named by George Bentham
- Taxa named by Townshend Stith Brandegee
- Heliantheae stubs