Heliopsis is a genus of herbaceous flowering plants in the family Asteraceae,[2][3] native to dry prairies in North and South America.[4] The sunflower-like composite flowerheads are usually yellow, up to 8 cm (3 in) in diameter, and are borne in summer. Species are commonly called ox-eye or oxeye.[5]

Heliopsis
Heliopsis helianthoides
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Asterales
Family: Asteraceae
Subfamily: Asteroideae
Tribe: Heliantheae
Subtribe: Zinniinae
Genus: Heliopsis
Pers. 1807
Synonyms[1]
  • Kallias (Cass.) Cass.
  • Helenomoium Willd. ex DC.
  • Heliopsis subg. Kallias Cass.
  • Helepta Raf.
  • Andrieuxia DC.

The name Heliopsis (pronounced /ˌhliˈɒpsɪs/, from Greek helios for "sun" and opsis for "appearance") refers to the bright yellow color of the flowers.

Species are found widely in cultivation in temperate climates, notably varieties of H. helianthoides.

Species edit

There are about 18 species, including:[6][1]

References edit

  1. ^ a b The Plant List search for Heliopsis
  2. ^ Persoon, Christiaan Hendrik. 1807. Synopsis plantarum,seu Enchiridium botanicum, complectens enumerationem systematicam specierum hucusque cognitarum 2: 473 in Latin
  3. ^ Sunset Western Garden Book, 1995:606–607
  4. ^ Tropicos, Heliopsis Pers.
  5. ^ RHS A-Z encyclopedia of garden plants. United Kingdom: Dorling Kindersley. 2008. p. 1136. ISBN 978-1405332965.
  6. ^ Smith, Alan R. (2006). "Heliopsis". 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.
  7. ^ Smith, Alan R. (2006). "Heliopsis gracilis". 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.
  8. ^ "Heliopsis helianthoides". Germplasm Resources Information Network. Agricultural Research Service, United States Department of Agriculture. Retrieved 10 January 2018.
  9. ^ USDA, NRCS (n.d.). "Heliopsis". The PLANTS Database (plants.usda.gov). Greensboro, North Carolina: National Plant Data Team.
  10. ^ 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.
  11. ^ Ramírez -Noya, David; González-Elizondo, Socorro; Molina -Torres, Jorge (2011-10-01). "Heliopsis suffruticosa (Compositae, Heliantheae), una nueva especie del occidente de Zacatecas". Acta Botánica Mexicana (97): 39–47. ISSN 0187-7151.