Downy birch is native to Europe but has naturalized in Connecticut, Massachusetts, Maine, and Vermont. The leaves are ovate-acute, 2 to 5 cm (0.8 to 2.0 in) long and 1.5 to 4.5 cm (0.6 to 1.8 in) broad, with a finely serrated margin. The two species can be distinguished by their leaves, with those of downy birch being rounder in shape than silver birch, and having a single row of teeth on the leaf margin, in contrast to the double row of teeth on silver birch leaves. Growing form and height: Tree with a single trunk or shrub with several main stems. Tough and flexible timber of downy birch is good for making furniture. It is a deciduous tree growing to 10 to 20 m (33 to 66 ft) tall (rarely to 27 m), with a slender crown and a trunk up to 70 cm (28 in) (exceptionally 1 m) in diameter, with smooth but dull grey-white bark finely marked with dark horizontal lenticels. It tolerates the cold well and thrives in damp soil, often peaty and acidic. This variety is notable as being one of very few trees native to Iceland and Greenland, and is the only tree to form woodland in Iceland. Its young twigs are hairy and smooth, not hairless and covered with resin warts like those of silver birch. A number of cultivars have been developed but many are no longer in cultivation. Leaves: Ovate, short-pointed, serrate (with sawlike margins), often hairy beneath.  The inner bark can be used for the production of rope and for making a form of oiled paper. Inês da Costa Rocha. As successive generations live, shed leaves and die, a richer soil underneath the trees builds up. It tolerates poor soils and harsh frosts and copes well with drought. Always green at emergence. tortuosa). A number of cultivars have been grown but many are no longer in cultivation.
Autumn colour yellow to orange. The leaves of the downy birch are rounder in shape than those of silver birch. , B. pubescens is closely related to, and often confused with, the silver birch (B. pendula). The leaves have a petiole or leaf stalk. © Copyright: Images: Jouko Lehmuskallio. Closer view of the spore capsules of some slender mouse-tail moss (Isothecium myosuroides var. My immediate intuition was that these must be eggs of the two-spot ladybird, so I photographed them and then later compared the photo with images on the Internet of ladybird eggs – it looked like I was correct. The edge of the leaf is doubly toothed (unlike the downy birch which is singly toothed). ), 10.2305/IUCN.UK.2014-3.RLTS.T194521A2344298.en, European Forest Genetic Resources Programme, https://en.wikipedia.org/w/index.php?title=Betula_pubescens&oldid=992415464, Creative Commons Attribution-ShareAlike License, This page was last edited on 5 December 2020, at 04:05.  Birch bark was used as an emergency food in times of famine; in Novgorod in 1127–28, desperate people ate it along with such things as the leaves of lime trees, wood pulp, straw, husks and moss.  (not to be confused with B. nana). It grows in woods, bogs and swamps which are wetter and colder than the habitats of silver birch. White Birch, Downy birch: Family: Betulaceae: USDA hardiness: Coming soon: Known Hazards : The aromatic and aliphatic hydrocarbons in birch tar are irritating to the skin. Downy birch, also known as white birch, is a very variable tree. pumila. , Three varieties are recognised, the nominate Betula pubescens var. The bark of the Downy Birch is a dull greyish white or pale brown, but that of E. White Birch is striking white, papery, with black fissures. Tree Size: 33-65 ft (10-20 m) tall, 1-2 ft (.3-.6 m) trunk diameter. No need to register, buy now! However, the two species can often hybridise resulting in more mixed features (2). Planted Downy Birch are more susceptible to Birch dieback, a disease caused by the pathogenic Fungi Marssonia betulae and Anisogramma virgultorum. Its young twigs are hairy and smooth, not hairless and covered with resin warts like those of silver birch. Simple leaf that is roughly triangular with rounded corners and a leaf margin that is quite toothed (serrated). Leaf Properties & Uses: ... Downy Birch also has a more upright growth habit of the branches, compared with Silver birch that does the more stereotypical cascading, ‘pendulous’ branches. downy birch (Betula pubescens), birch leaf, Germany. It has serrate leaves, not doubly serrate like silver birch. The twigs and young branches are very flexible and make good whisks and brooms. myosuroides). 2–20 m (6.5–65 ft.), usu. woodlands. pubescens, B. p. var. The range extends southwards to about 40°N, its southernmost limit being Turkey, the Caucasus and the Altai Mountains. Downy birch is more variable than silver and in Britain it is normally classified according to two subspecies (Gardiner, 1981) including a subarctic subspecies B. pubescens ssp.‘tortuosa’ (a.k.a. All rights reserved. Huge collection, amazing choice, 100+ million high quality, affordable RF and RM images. Birch Rust caused by Melampsoridium betulinum on leaf of downy birch or Betula pubescens - Buy this stock photo and explore similar images at Adobe Stock Sales: 888-649-2990 Sell
At one time the island is thought to have been covered in downy birch woodland, but that cover is reduced to about one percent of the land surface today. Betula pubescens is commonly known as downy birch, with other common names including moor birch, white birch, European white birch or hairy birch. They include "Armenian gold", "Arnold Brembo" (scented foliage), crenata nana (shrubby and dwarf), incisa (lobed foliage), integrifolia (unlobed foliage), murigthii (shrubby with doubly serrate leaves), ponitica (hairless), undulata (leaf margins waxy), urticifolia (nettle-leaved), variegata (variegated) and "Yellow wings". ID check. It also prefers damper environments, being found on bogs, and tolerates shadier conditions. Birch pollen might also cause allergies in people who are sensitive to certain other plants, including apples, soybeans, hazelnuts, and peanuts. Narrowly conical habit. 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