Piptatherum racemosum

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
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

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.