Piptatherum racemosum, commonly called black-fruited mountain ricegrass or simply mountain ricegrass, is a species of grass native to the northeastern United States and southeastern Canada.[1][2]

Piptatherum racemosum
Piptatherum racemosum in Ontario, Canada.
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Monocots
Clade: Commelinids
Order: Poales
Family: Poaceae
Subfamily: Pooideae
Genus: Piptatherum
Species:
P. racemosum
Binomial name
Piptatherum racemosum
(Sm.) Eaton
Synonyms
  • Oryzopsis racemosa
  • Patis racemosa

Piptatherum racemosum is a conspicuous and easily identifiable grass with broad, shiny cauline leaves and large, long-awned spikelets.[1][3] It grows in dry or mesic forests and woodlands.[1]

Taxonomy

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This species has a complicated taxonomic history, having been placed in various genera, most frequently Oryzopsis and Patis.[4] The name Piptatherum racemosum is currently accepted by the Flora of North America committee, among other authorities.[1][4]

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References

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  1. ^ a b c d "Piptatherum racemosum - FNA". floranorthamerica.org. Retrieved 2023-02-18.
  2. ^ "Black-fruit Mountain-Ricegrass (Patis racemosa)". iNaturalist. Retrieved 2023-02-18.
  3. ^ "Patis racemosa (Black-fruited Rice Grass): Minnesota Wildflowers". www.minnesotawildflowers.info. Retrieved 2023-02-18.
  4. ^ a b "ITIS Report: Piptatherum racemosum". Integrated Taxonomic Information System (ITIS). Retrieved 18 February 2023.