Helianthus arizonensis

Helianthus arizonensis
Conservation status
	; Data Deficient (IUCN 2.3)
Scientific classification
Kingdom:	Plantae
(unranked):	Angiosperms
(unranked):	Eudicots
(unranked):	Asterids
Order:	Asterales
Family:	Asteraceae
Genus:	Helianthus
Species:	H. arizonensis
Binomial name
	Helianthus arizonensis; R.C.Jacks.

Helianthus arizonensis is a North American species of sunflower known by the common name Arizona sunflower. It is native to the States of Arizona and New Mexico in the southwestern United States.^[1]

Helianthus arizonensis is a perennial herb up to 30 cm (12 inches) tall. Leaves have no hairs. One plant produces 1-7 flower heads, each head with 10-14 yellow ray florets surrounding at least 30 yellow disc florets.^[2]^[3]

References

^ Biota of North America Program 2014 county distribution map
^ Flora of North America, Helianthus arizonensis R. C. Jackson, 1963. Arizona sunflower
^ Jackson, Raymond Carl 1963. Brittonia 15(3): 266

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[1] Biota of North America Program 2014 county distribution map

[2] Flora of North America, Helianthus arizonensis R. C. Jackson, 1963. Arizona sunflower

[3] Jackson, Raymond Carl 1963. Brittonia 15(3): 266

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