Betula pubescens
Betula pubescens subsp. var. | Downy birch | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
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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.
Standard Cyclopedia of Horticulture |
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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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Cultivation
Propagation
Pests and diseases
Varieties
- 'Pendula' - with a leader and weeping branches.[1]
- 'Pendula Nana' - umbrella shaped without a leader and with weeping branches.[1]
Gallery
References
- ↑ 1.0 1.1 Govaerts, R., Michielsen, K. & Jablonski, E. (2011). Untraced Weeping Broadleaf cultivars: an overview. Belgische Dendrologie Belge 2009: 19–30.
- Standard Cyclopedia of Horticulture, by L. H. Bailey, MacMillan Co., 1963
External links
- w:Betula pubescens. Some of the material on this page may be from Wikipedia, under the Creative Commons license.
- Betula pubescens QR Code (Size 50, 100, 200, 500)