SimplePlant

Poaceae

One and a half flower reedgrass

Calamagrostis sesquiflora (Trin.) Tzvelev

Family
Poaceae
Genus
Calamagrostis

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Common names

By language (1)
English
One and a half flower reedgrass

Synonyms

  • Avena sesquiflora Ledeb.
  • Avena sesquiflora (Trin.) Griseb.
  • Calamagrostis purpurascens subsp. sesquiflora (Trin.) Vorosch.
  • Calamagrostis purpurascens subsp. tasuensis Calder & Roy L.Taylor
  • Calamagrostis purpurascens var. macrantha (Takeda) Fernald
  • Calamagrostis purpurascens var. parvigluma (Takeda) Miyabe & Kudô
  • Calamagrostis purpurascens var. pumila (Takeda) Miyabe & Kudô
  • Calamagrostis purpurascens var. tasuensis (Calder & Roy L.Taylor) B.Boivin
  • Calamagrostis sesquiflora subsp. urelytra (Hack.) Prob.
  • Calamagrostis urelytra Hack.
  • Calamagrostis urelytra var. macrantha Takeda
  • Calamagrostis urelytra var. parvigluma Takeda
  • Calamagrostis urelytra var. pumila Takeda
  • Deyeuxia purpurascens var. macrantha (Takeda) Ohwi
  • Trisetum sesquiflorum Trin.

Characteristics

Growth habit
Graminoid
Lifespan
Perennial
In the US and Canada
Alaska: native, Canada: native, Lower 48 states: native

More in Calamagrostis

Sources: classification, synonyms from World Flora Online Plant List (2026-06, CC0 1.0); common names, popularity from Wikidata (2026-10-26, CC0 1.0); common names, US characteristics from USDA PLANTS Database (2025-05-29, CC0 1.0). About our plant data.