Betulaceae
Grey alder
Alnus incana
- Family
- Betulaceae
- Genus
- Alnus
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Common names
By language (56)
- Arabic
- ألنيس إنكانا
- Armenian
- Լաստենի
- arz
- النيس انكانا
- Asturian
- Umeru buxu
- atj
- Atospiatikw
- Azerbaijani
- Boz qızılağac
- Basque
- Haltz zuri
- Belarusian
- Вольха шэрая
- Bulgarian
- Бяла елша
- Catalan
- Vern pilós
- Chinese
- 灰桤木
- Croatian
- Bijela joha
- csb
- Szarô òlszô
- Czech
- Olše šedá
- Danish
- Grå-El, Gråel, Hvid-El, Hvidel
- Dutch
- Witte els, Grauwe els, Grijze els
- English
- Grey alder, Gray alder, Speckled alder
- Estonian
- Hall lepp, Valge lepp
- Finnish
- Harmaaleppä
- French
- Aulne blanc, Arcoce, Aulne de montagne, Aulne rugueux
- Georgian
- Შავი მურყანი
- German
- Grau-Erle, Grauerle
- Hebrew
- אלנוס לבן
- hsb
- Hórska wólša, Šěra wólša
- Hungarian
- Hamvas éger
- Icelandic
- Gráelri
- Italian
- Ontano bianco
- Japanese
- セイヨウハンノキ
- koi
- Руд ловпу
- Latvian
- Baltalksnis
- Lithuanian
- Baltalksnis, Baltasis alksnis
- Macedonian
- Сива евла, Бела евла
- Norwegian Bokmål
- Gråor
- Norwegian Nynorsk
- Gråor, Gråolder
- nv
- Kʼish
- os
- Урс фæрв
- Persian
- توسکای خاکستری
- Polish
- Olsza szara, Olcha szara
- Romansh
- Ogn grisch
- Russian
- Ольха серая, Елоха, Ольха белая, Серая oльха, Серая Ольха
- se
- Leaibi, Dábálaš leaibi
- sgs
- Baltalksnis
- sjd
- Ле̄һпь, Ле̄ххьп
- Slovak
- Jelša sivá
- Slovenian
- Siva jelša
- sma
- Liejpie
- smj
- Liejbbe
- smn
- Leibi
- sms
- Rääʹnesleäʹpp
- Spanish
- Aliso cano, Aliso dorado, Aliso gris
- Swedish
- Gråal, Alder, Hasselal, Lapsk gråal, Vanlig gråal
- Turkish
- Boz kızılağaç
- udm
- Пурысь лулпу
- Ukrainian
- Вільха сіра
- vro
- Valgõ lepp
- Welsh
- Gwernen lwyd
Synonyms
- Alnus februaria var. incana (L.) Kuntze
- Alnus glutinosa var. incana (L.) Pers.
- Alnus incana f. acutiloba Callier
- Alnus incana var. argentea Norrl. ex Gürke
- Alnus incana var. argentea Norrl.
- Alnus incana var. bipinnatifida (Brenner) Tzvelev
- Alnus incana var. pinnatifida Regel
- Betula alnus var. incana L.
- Betula incana (L.) L.f.
Flowers
- In flower
- March to April (from 267 flowering iNaturalist observations worldwide)
Characteristics
- Growth habit
- Shrub, Tree
- Lifespan
- Perennial
- In the US and Canada
- Alaska: native, Canada: native, Lower 48 states: native, St. Pierre and Miquelon: native
Photos
FlowerPhoto: average_plant_enjoyer, CC BY 4.0, from iNaturalist 
FlowerPhoto: naturalist charlie, CC BY 4.0, from iNaturalist 
FlowerPhoto: Константин Селивёрстов, CC BY 4.0, from iNaturalist 
FlowerPhoto: Patrice Dupont, CC BY 4.0, from iNaturalist 
FruitPhoto: Justin, CC BY 4.0, from iNaturalist 
Photo: MüBe, CC BY-SA 3.0, from Wikimedia Commons 
Photo: Sandy Wolkenberg, CC BY 4.0, from iNaturalist 
Photo: Nikanos, CC BY-SA 2.5, from Wikimedia Commons 
Photo: Svyatoslav Knyazev, CC BY 4.0, from iNaturalist 
Photo: Beentree, CC BY-SA 3.0, from Wikimedia Commons 
Photo: Михаил Языков, CC BY 4.0, from iNaturalist 
Photo: Beentree, CC BY-SA 3.0, from Wikimedia Commons
More in Alnus
- Black alderAlnus glutinosaBetulaceae
- European green alderAlnus alnobetulaBetulaceae
- Red alderAlnus rubraBetulaceae
- Italian alderAlnus cordataBetulaceae
- Japanese alderAlnus japonicaBetulaceae
- Andean alderAlnus acuminataBetulaceae
- Nepal alderAlnus nepalensisBetulaceae
- Caucasian alderAlnus subcordataBetulaceae
- Seaside alderAlnus maritimaBetulaceae
- White alderAlnus rhombifoliaBetulaceae
- Formosan alderAlnus formosanaBetulaceae
- Evergreen alderAlnus jorullensisBetulaceae
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.