Piptochaetium avenaceum

Stipa avenacea

Taxonavigation

Taxonavigation: Poales
Classification System: APG IV Superregnum: Eukaryota Cladus: Diaphoretickes Cladus: CAM Cladus: Archaeplastida Regnum: Plantae Cladus: Angiosperms Cladus: Monocots Cladus: Commelinids Ordo: Poales

Familia: Poaceae
Subfamilia: Pooideae
Tribus: Stipeae
Genus: Piptochaetium
Species: Piptochaetium avenaceum

Name

Piptochaetium avenaceum (L.) Parodi, Revista Mus. La Plata, Secc. Bot. 6: 229 (1944)

Synonyms

• Homotypic
  • Podopogon avenaceus (L.) Raf. in Neogenyton: 4 (1825)
  • Stipa avenacea L. in Sp. Pl.: 78 (1753)
• Heterotypic
  • Piptochaetium avenacellum Barkworth in Syst. Bot. 13: 196 (1988)
  • Piptochaetium leianthum (Hitchc.) Beetle in Phytologia 54: 4 (1983)
  • Podopogon barbatus (Pers.) Raf. in Neogenyton: 4 (1825)
  • Stipa avenacea var. bicolor Eaton & Wright in Man. Bot., ed. 8: 444 (1840)
  • Stipa barbata Michx. in Fl. Bor.-Amer. 1: 53 (1803), nom. illeg.
  • Stipa diffusa Willd. ex Steud. in Nomencl. Bot., ed. 2, 2: 643 (1841), pro syn.
  • Stipa leiantha Hitchc. in Contr. U.S. Natl. Herb. 24: 236 (1925)
  • Stipa virginica Pers. in Syn. Pl. 1: 99 (1805)

Distribution

Native distribution areas:

Continental: Northern America Regionalː Eastern USA Alabama, Arkansas, Connecticut, Delaware, District of Columbia, Florida, Georgia, Indiana, Kentucky, Louisiana, Maryland, Massachusetts, Michigan, Mississippi, Missouri, New Jersey, New York, North Carolina, Ohio, Oklahoma , Pennsylvania, Rhode I., South Carolina, Tennessee, Texas, Virginia, West Virginia Regionalː Mexico Mexico Central, Mexico Northeast Regionalː Canada Ontario References: Brummitt, R.K. 2001. TDWG – World Geographical Scheme for Recording Plant Distributions, 2nd Edition

References

Primary references

Parodi, 1944. Revista del Museo de La Plata. Seccion Botanica. La Plata, Argentina 6:229.

Additional references

• Clayton, W.D., Harman, K.T. & Williamson, H. 2006. World Grass Species – Synonymy database. The Board of Trustees of the Royal Botanic Gardens, Kew. Available for download as an Access file from Synonymy database. Reference page. 
• Flora of North America Editorial Committee (2007). Flora of North America North of Mexico 24: 1-908. Oxford University Press, New York, Oxford.

Links

• Govaerts, R. et al. 2026. Piptochaetium avenaceum in Kew Science Plants of the World Online. The Board of Trustees of the Royal Botanic Gardens, Kew. Published online. Accessed: 2026 January 27. Reference page. 
• International Plant Names Index. 2026. Piptochaetium avenaceum. Published online. Accessed: January 27 2026. Reference page.
• USDA, ARS, Germplasm Resources Information Network. Piptochaetium avenaceum in the Germplasm Resources Information Network (GRIN), U.S. Department of Agriculture Agricultural Research Service. Accessed: 07-Oct-06. Reference page. 

Vernacular names

• English: blackseed speargrass

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