Betulaceae
Hazel alder
Alnus serrulata
- Family
- Betulaceae
- Genus
- Alnus
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Common names
By language (6)
- Arabic
- نغت منشاري
- arz
- نغت منشارى
- Chinese
- 北美灌木杨, 北美灌木楊, 细齿桤木
- English
- Hazel alder, Brookside alder, Common alder, Smooth alder, Tag alder
- French
- Aulne blanc, Aulne serrute, Aulne tendre
- Icelandic
- Sagölur
Synonyms
- Alnus americana K.Koch
- Alnus autumnalis Hartig ex Garcke
- Alnus glutinosa lus. obtusifolia Regel
- Alnus glutinosa prol. oblongata (Aiton) Rouy
- Alnus glutinosa var. autumnalis Kuntze
- Alnus glutinosa var. oblongata (Aiton) Pers.
- Alnus glutinosa var. serrulata (Aiton) Regel
- Alnus incana var. serrulata (Aiton) B.Boivin
- Alnus latifolia Desf.
- Alnus macrophylla Desf. ex Steud.
- Alnus macrophylla Desf. ex Corrie
- Alnus noveboracensis Britton
- Alnus oblongata (Aiton) Willd.
- Alnus oblongata var. elliptica Corrie
- Alnus rubra Desf. ex Steud.
- Alnus rubra Desf. ex Corrie
- Alnus rugosa var. obtusifolia (Regel) H.J.P.Winkl.
- Alnus rugosa var. serrulata (Aiton) H.J.P.Winkl.
- Alnus serrulata f. emarginata Fernald
- Alnus serrulata f. mollescens Fernald
- Alnus serrulata f. nanella Fernald
- Alnus serrulata f. noveboracensis (Britton) Fernald
- Alnus serrulata f. serrulata
- Alnus serrulata var. macrophylla Spach
- Alnus serrulata var. obtusifolia (Regel) Regel
- Alnus serrulata var. serrulata
- Alnus serrulata var. subelliptica Fernald
- Alnus serrulata var. vulgaris Fernald
- Betula alnus var. serrulata (Aiton) Michx.
- Betula oblongata Aiton
- Betula serrulata Aiton
Characteristics
- Growth habit
- Shrub, Tree
- Lifespan
- Perennial
- In the US and Canada
- Canada: native, Lower 48 states: native
Photos
Photo: Wikimedia Commons contributor, CC BY-SA 3.0, from Wikimedia Commons 
Photo: Wikimedia Commons contributor, CC BY-SA 3.0, from Wikimedia Commons Photo: Mike Hensley, CC BY-SA 4.0, from Pl@ntNet via GBIF 
Photo: Celerylady, CC BY-SA 3.0, from Wikimedia Commons Photo: J L, CC BY-SA 4.0, from Pl@ntNet via GBIF 
Photo: Aroche, CC BY-SA 3.0, from Wikimedia Commons Photo: tomd418, CC BY-SA 4.0, from Pl@ntNet via GBIF 
Photo: Aroche, CC BY-SA 3.0, from Wikimedia Commons Photo: ramsey arram, CC BY-SA 4.0, from Pl@ntNet via GBIF 
Photo: Fritzflohrreynolds, CC BY-SA 3.0, from Wikimedia Commons Photo: Michael, CC BY-SA 4.0, from Pl@ntNet via GBIF 
Photo: Eric Hunt, CC BY-SA 4.0, from Wikimedia Commons
More in Alnus
- Black alderAlnus glutinosaBetulaceae
- Grey alderAlnus incanaBetulaceae
- 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
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.