Anacardiaceae
Rocky mountain sumac
Rhus glabra
- Family
- Anacardiaceae
- Genus
- Rhus
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Common names
By language (12)
- Arabic
- سماق أجرد, السماق الناعم
- arz
- سماق اجرد
- Azerbaijani
- Çılpaq sumaq
- Belarusian
- Сумах голы
- Chinese
- 光滑漆樹, 光叶漆
- chy
- No'aneonó'e
- Czech
- Škumpa lysá
- English
- Rocky mountain sumac, Smooth sumac, Scarlet sumac, Upland sumac, White sumac
- French
- Sumac à bois glabre
- Japanese
- ルスグラブラ
- Persian
- راس گلابرا
- Russian
- Сумах голый
Synonyms
- Rhus albida Greene
- Rhus angustiarum Lunell
- Rhus aprica Greene
- Rhus arbuscula Greene
- Rhus arguta Greene
- Rhus aspleniifolia Greene
- Rhus atrovirens Greene
- Rhus auriculata Greene
- Rhus borealis (Britton) Greene
- Rhus calophylla Greene
- Rhus caroliniana Mill.
- Rhus cismontana Greene
- Rhus cismontana var. flavescens D.M.Andrews
- Rhus coccinea hort. ex Dippel
- Rhus elegans Aiton
- Rhus elegans var. glauca Demcker
- Rhus elegans var. superba Demcker
- Rhus elegantula Greene
- Rhus glabra f. abludens Moldenke
- Rhus glabra f. flavescens (D.M.Andrews) Rehder
- Rhus glabra f. glabra
- Rhus glabra f. laciniata (Carrière) B.L.Rob.
- Rhus glabra var. borealis Britton
- Rhus glabra var. cismontana Cockerell
- Rhus glabra var. coccinea Pursh
- Rhus glabra var. dioica DC.
- Rhus glabra var. elegans (Aiton) Engl.
- Rhus glabra var. glabra
- Rhus glabra var. hermaphrodita DC.
- Rhus glabra var. laciniata Carrière
- Rhus glabra var. occidentalis Torr.
- Rhus glabra var. sandbergii Vasey
- Rhus hapemanii Lunell
- Rhus ithacensis Greene
- Rhus laevicaulis Torr. ex A.Gray
- Rhus longula Greene
- Rhus ludoviciana Greene
- Rhus macrothyrsa Goodd.
- Rhus media Greene
- Rhus nitens Greene
and 15 more.
Flowers
- In flower
- May to July (from 1,989 flowering iNaturalist observations worldwide)
- Flower colour
- yellow, red (USDA PLANTS Database and Wikidata)
Characteristics
- Growth habit
- Shrub, Tree
- Lifespan
- Perennial
- In the US and Canada
- Canada: native, Lower 48 states: native
Photos
FlowerPhoto: Mark Apgar, CC BY 4.0, from iNaturalist 
FlowerPhoto: Dustin Snider, CC BY 4.0, from iNaturalist 
FlowerPhoto: Larry Jensen, CC BY 4.0, from iNaturalist 
FlowerPhoto: Becky Dill, CC0, from iNaturalist 
FlowerPhoto: Sandy Wolkenberg, CC BY 4.0, from iNaturalist 
FruitPhoto: Lucas Schrader, CC BY 4.0, from iNaturalist 
Photo: Superior National Forest, CC BY 2.0, from Wikimedia Commons 
Photo: Superior National Forest, CC BY 2.0, from Wikimedia Commons 
Photo: Sergei Maslov, CC BY-SA 4.0, from iNaturalist 
Photo: Krzysztof Ziarnek, Kenraiz, CC BY-SA 4.0, from Wikimedia Commons 
Photo: Zach Earl, CC BY 4.0, from iNaturalist 
Photo: Photo by David J. Stang, CC BY-SA 4.0, from Wikimedia Commons
More in Rhus
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- Littleleaf sumacRhus microphyllaAnacardiaceae
- Skunkbush sumacRhus trilobataAnacardiaceae
- Winged sumacRhus copallinumAnacardiaceae
- Sugar sumacRhus ovataAnacardiaceae
- Chinese sumacRhus potaniniiAnacardiaceae
- SumacRhus taitensisAnacardiaceae
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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.