Alnus (nomen botanicum ab Philippo Miller statutum) est genus arborum et fruticum familiae Betulacearum. Species variae alnorum a 23 ad 40 numerantur.
Alnus serrulata
Amentum (flos)Amenta maria ad dextram,
amenta feminea matura ad sinistram
Johnsonville
Amentum (flos)Amenta maria ad dextram,
amenta feminea matura ad sinistram
Johnsonville
Subdivisiones: Species
Inter 20 et 30 species
Territorium
Descriptio
Unica species est arborum cum foliis deciduis (praeter laricem), cuius flores feminei (amenta vel et iuli dicti) lignificant et iure nucamenta dici possunt.
Taxinomia
Tria subgenera habet:
Subgenus Alnus
- Alnus acuminata Kunth
- Alnus cordata (Loisel.) Duby
- Alnus cremastogyne Burkill
- Alnus firma Siebold & Zucc.
- Alnus glutinosa (L.) Gaertn.
- Alnus incana (L.) Moench
- Alnus incana subsp. rugosa (Du Roi) Spreng.
- Alnus hirsuta (Spach) Rupr.
- Alnus oblongifolia Torr.
- Alnus tenuifolia Nutt.
- Alnus japonica (Thunb.) Steud.
- Alnus jorullensis Kunth
- Alnus matsumurae Callier
- Alnus nepalensis D.Don
- Alnus orientalis Decne.
- Alnus rhombifolia Nutt.
- Alnus rubra Bong.
- Alnus serrulata (Aiton) Willd.
- Alnus subcordata C.A.Mey.
- Alnus trabeculosa Hand.-Mazz.
Subgenus Clethropsis
- Alnus formosana (Burkill) Makino
- Alnus maritima (Marshall) Muhl. ex Nutt.
- Alnus nitida (Spach) Endl.
Subgenus Alnobetula
- Alnus alnobetula (Ehrh.) K.Koch
- Alnus firma Siebold & Zucc.
- Alnus mandshurica (Callier) Hand.-Mazz.
- Alnus maximowiczii Callier
- Alnus pendula Matsum.
- Alnus sieboldiana Matsum.
Aliae species
- Alnus djavanshirii H.Zare
- Alnus dolichocarpa H.Zare, Amini & Assadi
- Alnus fauriei H.Lév. & Vaniot
- Alnus ferdinandi-coburgii C.K.Schneid.
- Alnus hakkodensis Hayashi
- Alnus henryi C.K.Schneid.
- †Alnus heterodonta (Newberry) Meyer & Manchester 1987
- Alnus lanata Duthie ex Bean
- Alnus mairei H.Lév.
- Alnus paniculata Nakai
- Alnus serrulatoides Callier
- Alnus vermicularis Nakai
Nexus externi
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Situs scientifici: Tropicos • Tela Botanica • GRIN • ITIS • NCBI • Biodiversity • Encyclopedia of Life • Plant Name Index • Fossilworks • Plantes d'Afrique • Flora of China • Flora of North America • USDA Plants Database |
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