Helianthus niveus

Helianthus niveus
Conservation status
	; Data Deficient (IUCN 3.1)
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; (Benth.) Brandeg. 1889 not Hieron. 1895
Synonyms
	Encelia nivea Benth.; Helianthus dealbatus A.Gray; Viguiera nivea Benth. & Hook.f.; Helianthus tephrodes A.Gray; Viguiera tephrodes (A.Gray) A.Gray;

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

H. niveus grows in sandy soils, most often in sand dunes.^[6]

References

^ 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

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[1] 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.

[k-2] The Plant List, Helianthus niveus (Benth.) Brandegee

[w-3] SEINet, Southwestern biodiversity, Arizona Chapter, Helianthus niveus (Benth.) Brandeg. includes photos, description, distribution map

[4] Calflora taxon report, University of California, Helianthus niveus (Benth.) Brandegee Silver leaved sunflower, desert sunflower, showy sunflower photos, California distribution map

[5] Jepson Manual Treatment

[6] "Jepson eFlora".

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