Pityopsis

grass-leaved goldenasters
silkgrass
Pityopsis ruthii
Scientific classification
Kingdom: Plantae
(unranked): Angiosperms
(unranked): Eudicots
(unranked): Asterids
Order: Asterales
Family: Asteraceae
Subfamily: Asteroideae
Tribe: Astereae[1]
Genus: Pityopsis
Nutt.
Type species
Pityopsis pinifolia[2][3]
(Elliott) Nutt.
Synonyms[1]
  • Heterotheca sect. Pityopsis (Nutt.) V.L.Harms
  • Chrysopsis ect. Pityopsis (Nutt.) Torr. & A.Gray

Pityopsis is a genus of North American plants in the aster tribe within the sunflower family.[3][4] Species of Pityopsis are known by the common names silkgrass or golden asters or grass-leaved goldenasters .[5][6]

Species[1][7]
  1. Pityopsis aspera (Shuttlw. ex A.Gray) Small – Pineland silkgrass - LA MS AL GA FL SC NC VA TN
  2. Pityopsis falcata (Pursh) Nutt. – Sickleleaf silkgrass - ONT NY MA CT RI NJ FL
  3. Pityopsis flexuosa (Nash) Small – Zigzag silkgrass - FL
  4. Pityopsis graminifolia (Michx.) Nutt. – Narrowleaf silkgrass - Bahamas, Belize, Honduras, Chiapas, Oaxaca, Veracruz, Tamaulipas, United States (TX LA MS AL GA FL SC NC VA MD DE WV OH KY TN AR OK)
  5. Pityopsis microcephala (Small) Small - FL SC TX
  6. Pityopsis oligantha (Chapm. ex Torr. & A.Gray) Small – Grassleaf goldaster - USA (TX LA MS AL GA FL)
  7. Pityopsis pinifolia (Elliott) Nutt. – Taylor County goldaster - USA (AL GA SC NC)
  8. Pityopsis ruthii (Small) Small – Ruth's golden Aster - TN

References

  1. 1 2 3 Flann, C (ed) 2009+ Global Compositae Checklist
  2. ↑ lectotype designated by Pfeiffer, L. K. G. 1874. Nomenclator Botanicus 2(1): 735.
  3. 1 2 Tropicos, Pityopsis Nutt.
  4. ↑ Nuttall, Thomas. 1840. Transactions of the American Philosophical Society, new series 7: 317–318 entirely in English
  5. ↑ North Carolina Wildflowers, Shrubs, & Trees (2011-11-27)
  6. ↑ Flora of North America Vol. 20 Page 222, Grass-leaved goldenasters, Pityopsis Nuttall
  7. ↑ Biota of North America Program 2013 county distribution maps


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