Image to followAI-generated illustrationAlnus incana
Alnus incana
FamilyGenus: Alnusnative in Germany
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65
Species
interact
🔗
75
Interactions
documented
🐛
50
Host relationships
Species
About this species
Alnus incana is a deciduous broad-leaved tree growing to around 9.5 m, favoured by moist, semi-shaded sites on calcareous soils. It flowers from February to April and is introduced and established in Great Britain.
Ecological network
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PollinationLarval hostFlower visit
Ecological significance
Alnus incana is an introduced species that has become established in Great Britain.
Annual cycle
Flowering takes place from February to April. As a deciduous tree, Alnus incana sheds its leaves in autumn.
Safety note
No specific hazards known.
Standort & Merkmale
Light
Halbschatten
Moisture
Feucht
Soil
—
Flowering period
Feb – Apr
Bioregion
Continental
Growth form
Baum
Woodiness
Verholzt
Leaf type
Breitblättrig
Leaf phenology
Laubabwerfend
Plant height
9.535 m
Morphological traits: TRY ID3 (CC BY 3.0) & TRY ID81 (CC BY)
Pflege & Anbau
Plant in partial shade and keep the soil consistently moist. The species does best on calcareous or neutral to alkaline ground with moderate nutrient levels. It tolerates low-disturbance sites and benefits from ectomycorrhizal fungi in the root zone.
Scientific profile
Alnus incana is a deciduous broad-leaved tree that reaches about 9.5 metres in height. It flowers between February and April. The species prefers semi-shaded locations with moist, calcareous to basic soils of medium nutrient status, and it typically grows where disturbance is low. It forms ectomycorrhizal associations. In Great Britain, Alnus incana is introduced and established.
Pollinators & visitors
9 Arten interagieren mit dieser Pflanze
Anorthoa mundaAcronicta psiHydriomena impluviataAcalitus brevitarsusEriophyes laevisCastor fiberPseudoips prasinanaMotacilla albaCyanistes caeruleus
Host relationships
50 species use this plant as a host
Notodonta dromedariusEuchoeca nebulataPhyllobius pyriAglia tauNymphalis antiopaPtilodon capucinaPolia bombycinaOrthosia gothicaLacanobia suasaMelanchra persicariaeLacanobia thalassinaCerastis rubricosaAcronicta rumicisOrgyia antiquaCossus cossusCalliteara pudibundaSpilarctia luteaLasiocampa quercusPoecilocampa populiSelenia dentariaSelenia tetralunariaOdontopera bidentataHypomecis roborariaLycia hirtariaEctropis crepusculariaEupithecia subfuscataAlcis repandataChloroclysta siterataDysstroma truncataEpirrita autumnataCabera pusariaDrepana falcatariaDiacrisia sannioArctia cajaEriophyes inangulisCollita griseolaHarmonia axyridisLymantria disparSelenia lunulariaHydrelia flammeolariaHydriomena furcataBiston betulariaPlagodis pulverariaMimas tiliaeColocasia coryliAcronicta megacephala (Denis & Schiffermüller), 1775Angerona prunariaOchropacha duplarisLasioglossum leucozoniumTrypodendron signatum
Other flower visitors
6 other species visit the flowers
Sources & data origin
•Interaktionsdaten via GloBI (CC-BY 4.0)
•Cook et al. (2025) UK Butterfly & Moth Traits (DOI: 10.5285/dbc7cc17-cbbd-49dd-bab4-8e8855768d66)
•FloraWeb / BfN
•EIVE 1.0 — Dengler et al. (2023), DOI: 10.3897/VCS.98324 (CC BY 4.0)
•GBIF Backbone Taxonomy — GBIF Secretariat (2024), DOI: 10.15468/39omei (CC BY 4.0)
•TRY Categorical Traits (ID3) — Kattge et al. (2012), DOI: 10.17871/TRY.3 (CC BY 3.0)
•TRY Global Spectrum (ID81) — Díaz et al. (2016/2021), DOI: 10.17871/TRY.81 (CC BY)
•Checklist Alien Plants Belgium — Verloove F (2023), Botanic Garden Meise (CC BY 4.0)
•Govaerts R et al. (2025) — World Checklist of Vascular Plants (WCVP) v14. Royal Botanic Gardens, Kew. DOI: 10.34885/xs7h-ze42 (CC BY 4.0)
All data is licensed under CC BY 4.0, CC0, or compatible terms. Attribution according to license conditions. Full source overview →