SimplePlant

Asteraceae

Smooth woodyaster

Xylorhiza glabriuscula Nutt.

Family
Asteraceae
Genus
Xylorhiza

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Smooth woodyaster: Xylorhiza glabriuscula, south side of the Bridger Mountains, southeast of Dolis Hill and west-northwest of Lost Cabin, 43.31807 -107.71487, Fremont County, Wyom
Photo: aspidoscelis, CC0, from Wikimedia Commons

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Common names

By language (1)
English
Smooth woodyaster

Synonyms

  • Aster glabriusculus (Nutt.) Torr. & A.Gray
  • Aster glabriusculus var. glabriusculus
  • Aster parryi A.Gray
  • Aster subg. Xylorhiza (Nutt.) Torr. & A.Gray
  • Aster xylorhiza Torr. & A.Gray
  • Machaeranthera glabriuscula (Nutt.) Cronquist & D.D.Keck
  • Machaeranthera glabriuscula var. glabriuscula
  • Machaeranthera glabriuscula var. villosa (Nutt.) Cronquist & D.D.Keck
  • Machaeranthera linearifolia (T.J.Watson) Cronquist
  • Xylorhiza glabriuscula var. glabriuscula
  • Xylorhiza glabriuscula var. linearifolia T.J.Watson
  • Xylorhiza glabriuscula var. villosa A.Nelson
  • Xylorhiza linearifolia (T.J.Watson) G.L.Nesom
  • Xylorhiza villosa Nutt.

Flowers

In flower
May to June (from 6 flowering iNaturalist observations worldwide)

Characteristics

Growth habit
Forb/herb, Subshrub
Lifespan
Perennial
In the US and Canada
Lower 48 states: native

Photos

More in Xylorhiza

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.