Alnus Mill.
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Details
Biostatus
Nomenclature
Classification
Subordinates
- Alnus acuminata
- Alnus alnobetula
- Alnus barbata
- Alnus cordata
- Alnus cremastogyne
- Alnus crispa
- Alnus ferdinandi-coburgii
- Alnus firma
- Alnus formosana
- Alnus glutinosa
- Alnus hirsuta
- Alnus incana
- Alnus inokumae
- Alnus japonica
- Alnus jorullensis
- Alnus maritima
- Alnus maximowiczii
- Alnus nepalensis
- Alnus nitida
- Alnus oblongifolia
- Alnus oregona
- Alnus orientalis
- Alnus pendula
- Alnus rhombifolia
- Alnus rubra
- Alnus rugosa
- Alnus serrulata
- Alnus sieboldiana
- Alnus sinuata
- Alnus subcordata
- Alnus tenuifolia
- Alnus undulata
- Alnus viridis
Vernacular names
Descriptions
Alnus Mill.
Trees or shrubs. Buds either stalked with 2-3 scales (subgen. ), or less often sessile with 3-6 imbricate scales (subgen. ). Lvs usually serrate or dentate. ♂ catkins: bracts peltate with 4 bracteoles to each; stamens usually 4, beneath bract. ♀ catkins < ♂, with 2 fls to each bract and bracteoles. Fruiting catkin cone-like, ovoid to ellipsoid, long- persistent. Scales 5-lobed or truncate, woody. Fr. a nutlet, usually winged, 2 in the axis of each scale.
Taxonomic concepts
Collections
Metadata
d2c3fcd8-35ba-4f60-a9a0-db24da2a0b32
scientific name
Names_Plants
1 January 2000
18 January 2018