Asteraceae
Smooth woodyaster
Xylorhiza glabriuscula
- Family
- Asteraceae
- Genus
- Xylorhiza
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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

Photo: aspidoscelis, CC0, from Wikimedia Commons 
Photo: aspidoscelis, CC0, from Wikimedia Commons 
Photo: aspidoscelis, CC0, from Wikimedia Commons 
Photo: aspidoscelis, CC0, from Wikimedia Commons
More in Xylorhiza
- Mojave woodyasterXylorhiza tortifoliaAsteraceae
- Charming woodyasterXylorhiza venustaAsteraceae
- Mecca woodyasterXylorhiza cognataAsteraceae
- Henrieville woodyasterXylorhiza confertifoliaAsteraceae
- Cronquist's woodyasterXylorhiza cronquistiiAsteraceae
- Xylorhiza frutescensAsteraceae
- Orcutt's asterXylorhiza orcuttiiAsteraceae
- Big Bend woodyasterXylorhiza wrightiiAsteraceae
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.