Piptatherum racemosum

Piptatherum racemosum
Piptatherum racemosum in Ontario, Canada.
Scientific 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, 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 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

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]}

Gallery

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  Leaves of Piptatherum racemosum in Elgin County, Ontario, Canada.
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  Piptatherum racemosum in Elgin County, Ontario, Canada.

References

1. "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. "ITIS Report: Piptatherum racemosum". Integrated Taxonomic Information System (ITIS). Retrieved 18 February 2023.