Heliopsis parvifolia
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Asterales
Family: Asteraceae
Genus: Heliopsis
Species:
H. parvifolia
Binomial name
Heliopsis parvifolia

Heliopsis parvifolia is a North American species of flowering plant in the family Asteraceae, known by the common name mountain oxeye.[1]

Range and Habitat

Heliopsis parvifolia 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] It grows on open rocky mountain slopes and canyons at elevations between 1200 and 2500 meters.[5]

Description

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.[6]

References

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


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