Betula

Betula

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Betula L.
Engl.: birch.
Deu.: Birke.
Sven.: björk.
Suom.: koivu.

Betula alba:

Betula alba L., Betulaceae: See Betula pubescens Ehrh.

Betula albosinensis

Betula albosinensis Burkill.
Deu.: Chinesische Birke.
Sven.: kopparbjörk.
Suom.: kuparikoivu.
TCM: hong hua.

Betula alleghaniensis

Betula alleghaniensis Britton.
Engl.: yellow birch.
Deu.: Gelb-Birke.
Fran.: bouleau jaune, merisier.
Sven.: gulbjörk.
Suom.: keltakoivu.

Betula alnoides

Betula alnoides Buch.-Ham. ex D. Don.
Engl.: Indian birch, Naga birch.
TCM: xi hua.

Betula alnus:

Betula alnus L., Betulaceae: See Alnus glutinosa (L.) Gaertn.

Betula czerepanovii:

Betula czerepanovii N. I. Orlova, Betulaceae: See Betula pubescens Ehrh. subsp. tortuosa (Ledeb.) Nyman.

Betula davurica

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Betula davurica Pall.
Engl.: black birch.
Suom.: dahuriankoivu.
TCM: kei hua.
Jap.: ko-ono-ore-kamba, yaegawa-kamba.

Betula ermanii

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Betula ermanii Cham.
Engl.: Erman's birch, Russian rock birch.
Deu.: Ermans Birke, Gold-Birke.
Sven.: kamtjaktabjörk.
Suom.: kivikoivu.

Betula fruticosa

Betula fruticosa Pall.
Sven.: buskbjörk.
Suom.: pensaskoivu.

Betula glandulosa

Betula glandulosa Michx.
Engl.: resin birch, dwarf birch.
Fran.: bouleau glanduleux.
Suom.: grönlanninpensaskoivu.

Betula humilis

Betula humilis Schrank.
TCM: dian sheng hua.
Bot. syn.: Betula fruticans Pall., orth. var.

Betula lenta

Betula lenta L.
Engl.: cherry birch, black birch, mahogany birch, mountain mahogany, sweet birch.
Deu.: Zuckerbirke.
Fran.: bouleau.
Sven.: sockerbjörk.
Suom.: sokerikoivu, tuomikoivu.

Betula lutea:

Betula lutea auct., Betulaceae: See Betula alleghaniensis Britt.

Betula maximowicziana

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Betula maximowicziana Regel.
Engl.: monarch birch.
Sven.: jättebjörk.
Suom.: monarkkikoivu.

Betula nana

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Betula nana L.
Engl.: dwarf birch, smooth dwarf birch, alpine birch, Arctic dwarf birch, bog birch, scrub birch.
Deu.: Zwerg-Birke.
Fran.: bouleau nain.
Sven.: dvärgbjörk, fredagsbjörk.
Suom.: vaivaiskoivu.
Bot. syn.: Betula exilis Sukatschev, Betula glandulosa Michx., Betula michauxii Sarg., Betula terrae-novae Fern.

Betula nigra

Betula nigra L.
Engl.: river birch, red birch.
Bot. syn.: Betula rubra F. Michx.

Betula papyracea:

Betula papyracea Ait., Betulaceae: See Betula papyrifera Marsh.

Betula papyrifera

Betula papyrifera Marsh.
Engl.: paper birch, canoe birch, white birch.
Deu.: Papier-Birke.
Fran.: bouleau à papier, bouleau blanc.
Sven.: pappersbjörk.
Suom.: paperikoivu.
Bot. syn.: Betula excelsa Ait., Betula papyracea Ait.

Betula pendula

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Betula pendula Roth.
Engl.: common birch, birch, European white birch, silver birch, weeping birch, white birch.
Deu.: Hängebirke, Hänge-Birke, Sand-Birke, Weiss-Birke.
Fran.: bouleau, bouleau pleureur.
Sven.: vårtbjörk, hängbjörk, masurbjörk, slöjdbjörk, tårbjörk.
Suom.: rauduskoivu.
Bot. syn.: Betula alba L., Betula verrucosa Ehrh.

Betula platyphylla

Betula platyphylla Sukaczev.
Engl.: Asian white birch, Japanese white birch.

Betula pubescens

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Betula pubescens Ehrh.
Engl.: downy birch, birch, canoe birch, common birch, European birch, white birch.
Deu.: Moorbirke, Birke, Moor-Birke.
Sven.: glasbjörk, fjällbjörk, kärrbjörk, lundbjörk, vanlig glasbjörk, ängsbjörk.
Suom.: hieskoivu.
Pharm.: birch tar, dagget, oleum rusci.
Bot. syn.: Betula alba L., Betula callosa Notö, Betula carpatica Willd., Betula concinna Gunnarsson, Betula coriacea Gunnarsson, Betula czerepanovii N. I. Orlova, Betula glutinosa auct., Betula odorata Bechst., Betula rubra hort. ex Regel, Betula tortuosa auct.

Betula rubra:

Betula rubra F. Michx., Betulaceae: See Betula nigra L.

Betula rubra hort. ex Regel, Betulaceae: See Betula pubescens Ehrh.

Betula triphylla

Betula triphylla Thunb.
Engl.: birch.

Betula verrucosa:

Betula verrucosa Ehrh., Betulaceae: See Betula pendula Roth.

Photo: Betula 8.

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Photo: Betula 7.

Birch lane. Annala, Helsinki, Finland. Planted. 2010-07-13.

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D10 7277

Photo: Betula 7.

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Photo: Betula 7.

Birch lane. Annala, Helsinki, Finland. Planted. 2010-05-18.

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D10 5627

Betula key.

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Botanical keys with images from Jan De Langhe. Betula, birches.

The genus Betula L.

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Botanical keys with images from Jan De Langhe: Betula, birches.

Photo: Betula 0.

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Photo: Betula.

Birches in a snowy forest. Helsinki, Finland. Wild. 2003-02-28.

Photo: Betula 5.

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Photo: Betula 5.

A forest in spring. Karjaa, Finland. Planted. 2005-05-14.

Photo: Betula 4.

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Photo: Betula 4.

A birch lane, the trees just leafing out in spring. Annala, Helsinki, Finland. Planted. 2005-05-13.

Photo: Betula 3.

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Photo: Betula 3.

A birch lane, the trees just leafing out in spring. Annala, Helsinki, Finland. Planted. 2005-05-13.

Photo: Betula 2.

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Photo: Betula 2.

A birch lane, the trees just leafing out in spring. Annala, Helsinki, Finland. Planted. 2005-05-12.

Salicylate herbs.

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Henriette's herbal blog: Meadowsweet vs. poplar buds and salicylous tree barks.

Photo: Betula 6.

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Photo: Betula 6.

Birch lane with some yellow leaf and a dusting of snow. Annala, Helsinki, Finland. Planted. 2005-10-27.

Photo: Betula 1.

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Photo: Betula 1.

Trees in autumn on a still lakeside. Jämsä, Finland. Wild. 2004-10-02.