Heliopsis parvifolia

Heliopsis parvifolia
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Eudicots
Clade:	Asterids
Order:	Asterales
Family:	Asteraceae
Genus:	Heliopsis
Species:	H. parvifolia
Binomial name
	Heliopsis parvifolia; A.Gray 1853

Heliopsis parvifolia is a North American species of flowering plant in the family Asteraceae, known by the common name mountain oxeye.^[1] It is native to northern Mexico from Baja California east to Tamaulipas and south as far as Aguascalientes, as well as the southwestern United States (southern Arizona, southern New Mexico, western Texas).^[2]^[3]^[4]

Heliopsis parvifolia is a perennial herb up to 80 cm (31 in) tall, spreading by means of underground rhizomes. The plant generally produces 1-5 flower heads per stem. Each head contains 6-19 bright yellow ray florets surrounding 40 or more yellowish-brown disc florets. The fruit is an achene about 5 mm (0.20 in) long.^[5]

References[]

^ Heliopsis helianthoides. USDA NRCS Plant Guide.
^ "Heliopsis gracilis". County-level distribution map from the North American Plant Atlas (NAPA). Biota of North America Program (BONAP). 2014.
^ Article: El género Heliopsis (Heliantheae; Asteraceae) en México y las alcamidas presentes en sus raíces, Journal: Acta Botánica Mexicana 2004 (69:115-131), Authors: | Abraham García | Enrique Ramírez | Jorge Molina | in Spanish with English summary; color photos of leaves of several species on page 119, photos of achenes on page 120
^ SEINet, Southwestern Biodiversity, Arizona chapter photos, description, distribution map
^ Smith, Alan R. (2006). "Heliopsis parvifolia". In Flora of North America Editorial Committee (ed.). Flora of North America North of Mexico (FNA). 21. New York and Oxford – via eFloras.org, Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.

External links[]

Photo of herbarium specimen collected in Nuevo León in 1989

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[usda-1] Heliopsis helianthoides. USDA NRCS Plant Guide.

[2] "Heliopsis gracilis". County-level distribution map from the North American Plant Atlas (NAPA). Biota of North America Program (BONAP). 2014.

[3] Article: El género Heliopsis (Heliantheae; Asteraceae) en México y las alcamidas presentes en sus raíces, Journal: Acta Botánica Mexicana 2004 (69:115-131), Authors: | Abraham García | Enrique Ramírez | Jorge Molina | in Spanish with English summary; color photos of leaves of several species on page 119, photos of achenes on page 120

[4] SEINet, Southwestern Biodiversity, Arizona chapter photos, description, distribution map

[5] Smith, Alan R. (2006). "Heliopsis parvifolia". In Flora of North America Editorial Committee (ed.). Flora of North America North of Mexico (FNA). 21. New York and Oxford – via eFloras.org, Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.

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