Difference between revisions of "Betula pubescens"

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(Created page with '{{SPlantbox |genus=Betula |species=pubescens |Temp Metric=°F |jumpin=If this plant info box on watering; zones; height; etc. is mostly empty you can click on the edit tab and f…')
 
 
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|genus=Betula  
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|familia=Betulaceae
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|genus=Betula
 
|species=pubescens
 
|species=pubescens
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|common_name=Downy birch
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|name_ref=Flora - A Gardener's Encyclopedia ISBN 0881925381
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|habit=tree
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|Max ht box=70
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|Max ht metric=ft
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|height_ref=Flora - A Gardener's Encyclopedia ISBN 0881925381
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|Max wd box=30
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|Max wd metric=ft
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|width_ref=Flora - A Gardener's Encyclopedia ISBN 0881925381
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|origin=Europe, N Asia, Greenland, Iceland
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|origin_ref=Flora - A Gardener's Encyclopedia ISBN 0881925381
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|lifespan=perennial
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|exposure=sun
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|sun_ref=Flora - A Gardener's Encyclopedia ISBN 0881925381
 
|Temp Metric=°F
 
|Temp Metric=°F
|jumpin=If this plant info box on watering; zones; height; etc. is mostly empty you can click on the edit tab and fill in the blanks!
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|min_zone=2
|image=Upload.png
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|usda_ref=Flora - A Gardener's Encyclopedia ISBN 0881925381
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|max_zone=9.5
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|image=Mountain-birch-Trollheimen.jpg
 
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Bark dull white to pale brown, peeling in strips. Leaves on male catkins mid-green, 2.5 in (6 cm) long, elliptic to egg-shaped, unevenly serrated. Female catkins shorter.
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{{Inc|
 
Betula pubescens, Ehrh. (B. odorata, Bechst. B. alba, Linn., in part). Tree, to 60 ft.: branches upright and spreading, rarely pendulous in old trees; branchlets pubescent and glandless: Lvs. ovate or rhombic-ova 1-2 in. long, rounded, truncate or cuneate at the ba acute, usually unequally and doubly serrate, pubescent beneath, at least while young: strobiles cylindric, about  1 in. long, upright or nodding; scales puberulous lateral lobes upright or spreading, rarely recurved, and Cent. Eu. to E. Siberia. H.W. 2, pp. 24, 25. Var. urticifolia, Spach (B. urticifolia, Regel. B. Alba aspleniifolia, Hort.). Lvs. small, deep green, irregularly incised. Var. variegata, Zabel (B. dlbafoliis variegatis, Hort.). An inconstant form with variegated Lvs. There are also a number of geographical varieties as var. carpatica, Koch; var. songarica, Regel; var. tortuosa, Koehne; var. Murithii, Gremi, which are rarely met with in cult, and horticulturally are of no importance. —In the wild state this species is generally found in moist places, often in swamps, while the preceding species prefers drier situations.
 
Betula pubescens, Ehrh. (B. odorata, Bechst. B. alba, Linn., in part). Tree, to 60 ft.: branches upright and spreading, rarely pendulous in old trees; branchlets pubescent and glandless: Lvs. ovate or rhombic-ova 1-2 in. long, rounded, truncate or cuneate at the ba acute, usually unequally and doubly serrate, pubescent beneath, at least while young: strobiles cylindric, about  1 in. long, upright or nodding; scales puberulous lateral lobes upright or spreading, rarely recurved, and Cent. Eu. to E. Siberia. H.W. 2, pp. 24, 25. Var. urticifolia, Spach (B. urticifolia, Regel. B. Alba aspleniifolia, Hort.). Lvs. small, deep green, irregularly incised. Var. variegata, Zabel (B. dlbafoliis variegatis, Hort.). An inconstant form with variegated Lvs. There are also a number of geographical varieties as var. carpatica, Koch; var. songarica, Regel; var. tortuosa, Koehne; var. Murithii, Gremi, which are rarely met with in cult, and horticulturally are of no importance. —In the wild state this species is generally found in moist places, often in swamps, while the preceding species prefers drier situations.
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==Varieties==
 
==Varieties==
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* [[Betula pubescens 'Pendula'|'Pendula']] - with a leader and weeping branches.<ref name="Govaerts">Govaerts, R., Michielsen, K. & Jablonski, E. (2011). Untraced Weeping Broadleaf cultivars: an overview. ''[http://www.dendrologie.be/bdb.php?p=402 Belgische Dendrologie Belge]'' 2009: 19–30.</ref>
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* [[Betula pubescens 'Pendula Nana'|'Pendula Nana']] - umbrella shaped without a leader and with weeping branches.<ref name="Govaerts"/>
  
  

Latest revision as of 14:33, 14 November 2011


Mountain-birch-Trollheimen.jpg


Plant Characteristics
Habit   tree

Height: 70 ft"ft" can not be assigned to a declared number type with value 70.
Width: 30 ft"ft" can not be assigned to a declared number type with value 30.
Lifespan: perennial
Origin: Europe, N Asia, Greenland, Iceland
Cultivation
Exposure: sun
USDA Zones: 2 to 9.5
Scientific Names

Betulaceae >

Betula >

pubescens >


Bark dull white to pale brown, peeling in strips. Leaves on male catkins mid-green, 2.5 in (6 cm) long, elliptic to egg-shaped, unevenly serrated. Female catkins shorter.


Read about Betula pubescens in the Standard Cyclopedia of Horticulture 

Betula pubescens, Ehrh. (B. odorata, Bechst. B. alba, Linn., in part). Tree, to 60 ft.: branches upright and spreading, rarely pendulous in old trees; branchlets pubescent and glandless: Lvs. ovate or rhombic-ova 1-2 in. long, rounded, truncate or cuneate at the ba acute, usually unequally and doubly serrate, pubescent beneath, at least while young: strobiles cylindric, about 1 in. long, upright or nodding; scales puberulous lateral lobes upright or spreading, rarely recurved, and Cent. Eu. to E. Siberia. H.W. 2, pp. 24, 25. Var. urticifolia, Spach (B. urticifolia, Regel. B. Alba aspleniifolia, Hort.). Lvs. small, deep green, irregularly incised. Var. variegata, Zabel (B. dlbafoliis variegatis, Hort.). An inconstant form with variegated Lvs. There are also a number of geographical varieties as var. carpatica, Koch; var. songarica, Regel; var. tortuosa, Koehne; var. Murithii, Gremi, which are rarely met with in cult, and horticulturally are of no importance. —In the wild state this species is generally found in moist places, often in swamps, while the preceding species prefers drier situations.


The above text is from the Standard Cyclopedia of Horticulture. It may be out of date, but still contains valuable and interesting information which can be incorporated into the remainder of the article. Click on "Collapse" in the header to hide this text.


Cultivation

Propagation

Pests and diseases

Varieties


Gallery

References

  1. 1.0 1.1 Govaerts, R., Michielsen, K. & Jablonski, E. (2011). Untraced Weeping Broadleaf cultivars: an overview. Belgische Dendrologie Belge 2009: 19–30.

External links