betula glandulosa distribution

willow is 98.1% of the above-ground shrub biomass, bog birch (Betula glandulosa) is 1.25%, Potentilla fruticosa is 0.33%, and soap berry (Shepherdia canadensis) is 0.14%, on average. Au Québec, il occupe les régions froides, les dépressions humides et les tourbières des zones montagneuses de la province[3]. Broadleaf deciduous shrub, often spreading, to 10 ft (3 m) tall, twigs with large resinous warty glands, bark dark brown. Elles sont glabres sur les deux faces et la marge est crénelée. [1], American dwarf birch provides cover for ptarmigans, and grizzly bears use it consistently to construct their dens. Betula glandulosa, taken at Chepeta Lake, Uintah, Utah. Vernacular names. pumila Linnaeus and B . Betula ×commixta Sargent. Betula glandulosa is the characteristic dwarf birch of upland habitats throughout much of the mountainous west, occurring as well in dry open areas across the north. Illustrations. Family: Betulaceae. [1] Its preference as a food source varies depending on the specific population; moose in Alberta, for example, are known to graze on it heavily, whereas moose in Alaska are observed to eat it at low levels. Comm., 1997. In Scandinavia, Betula nana hybridises naturally with downy birch, Betula pubescens, to form B. pubescens ssp. glandulifera Regel, to Betula glandulosa, reserving Betula pumila, with Betula pumila var. tortuosa, which has a similar habit and growth pattern. Betula glandulosa. CAN. 6 of 119 accepted Species. Betula ×eastwoodae Sargent. Comm., 1997. selon les recommandations des projets correspondants. The genus Betula: a taxonomic revision of birches: 1-431. Date Added: 2001-01 … Ashburner, K. & McAllister, H.A. In New York, Betula minor is only known from up to five of the highest peaks in the high peaks region of the Adirondacks. Flickr photos above were identified by the individual photographers but not reviewed by EoPS. exilis (Sukaczev) Hultén, creating a confusing complex of intermediate forms. exilis (Sukaczev) Hultén, creating a confusing complex of intermediate forms. Betula ×ungavensis Lepage. PDF (814 K) PDF-Plus (846 K) Citing articles; Notes sur l'écologie de trois espèces ligneuses à la bordure méridionale de la baie d'Ungava, Nouveau-Québec : Betula glandulosa, Larix laricina, Picea mariana J. P. Ducruc and , R. Zarnovican Distribution in … Conservation status Not evaluated (IUCN); but this is one of the rarest of birches, reduced to 21 trees in the wild (Mc Allister 1993). The fruiting catkins are erect, 1–2.5 cm (3⁄8–1 in) long and 5–12 mm (3⁄16–15⁄32 in) broad. Vous pouvez partager vos connaissances en l’améliorant (comment ?) CA plants previously misapplied to Betula pumila var. En Europe du Nord, on retrouve également cette espèce dans les milieux plus humides, assez pauvres dans des endroits non perturbés [4]. It reproduces either sexually via abundant viable seed production (Hermanutz et al 1989) or asexually via clonal growth (Weis and Herma- nutz 1988, 1993). Betula glandulosa is dominant in the shrub canopy with Artemisia tridentata ssp. Dry sites will support open stands of Picea glauca, Vaccinium vitis-idaea, Arctostaphylos, dwarf birch, moss and lichens. Where their ranges meet, B . Le bouleau glanduleux est présent dans tout le Canada. In addition, users can learn about the location of vouchered specimens and see images to get a better visual for each plant. The trunks are slender, rarely over 5–10 cm (2–4 in) diameter, with smooth, dark brown bark. Global Distribution. Conservation considerations: Populations could be threatened by heavy recreational (hiking) use. Where their ranges meet, B . Both moderate and heavy browsing reduced the biomass of dwarf birch leaves. Synonyms: Sometimes referred to as Betula nana L., but B. glandulosa more correctly applies to our species. Accepted by. Seed from 27 Dwarf birch (Betula glandulosa Michx.) To submit rare plant observation data, use the CNDDB field survey form. [1] Bears, small mammals, birds, and insects also rely on the shrub as a food source. Betula glandulosa . We tested for nitrogen limitation using the N:P ratio in a composite sample of leaves from three unfertilised and unbrowsed plots [38] . intermedia. Jacobs et al. (2008) grew 40 cm tall Betula glandulosa seedlings in 3 L containers in 16 months under greenhouse conditions. Branches are dark brown to brownish black, dull and bark is not exfoliating. Habitat and distribution. Accepted by. Retrouvez les graines de BETULA GLANDULOSA 2 g (Bouleau glanduleux) chez Semences du Puy et semez des Feuillus selon vos envies ! Reference page . Betula glandulosa has twigs with large conspicuous warty glands although in New York these can be somewhat smaller and less dense. Genus: Betula. nana Linnaeus subsp. Low shrubs of Betula glandulosa and Ledum paillstre are also frequent. bouleau glanduleux Darbyshire et al., 2000 Native to (or naturalized in) Oregon: Yes. Royal Botanic Gardens, Kew. Betula glandulosa, American dwarf birch, also known as resin birch or shrub birch, is a species of birch native to North America, occurring in arctic and cool temperate areas from Alaska east to Newfoundland and southern Greenland, and south at high altitudes to northern California, Colorado, and the Black Hills of South Dakota in the west, and locally south to northern New York in the east. Betula glandulosa. [1], This species is valued for its erosion control potential, and has been used to help stabilize stream-banks. Betula ×ungavensis Lepage. The New York Flora Atlas is a source of information for the distribution of plants within the state, as well as information on plant habitats, associated ecological communities, and taxonomy. especially the two dwarf birches, Betula nana L. and Betula glandulosa Michx. Un article de Wikipédia, l'encyclopédie libre. Hybrids with several other birches occur.[1]. CONTEMPORARY POLLEN DEPOSITION AND THE DISTRIBUTION OF BETULA GLANDULOSA AT THE LIMIT OF LOW ARCTIC TUNDRA IN SOUTHERN BAFFIN ISLAND, N.W.T., CANADA JOHN D. JACOBS Department of Geography, University of Windsor Windsor, Ontario N9B 3P4, Canada WILLIAM N. MODE Department of Geology, University of Wisconsin Oshkosh, Wisconsin 54901, U.S.A. … Biomass of Betula glandulosa..... 23 2.3.3. Distribution in Scotland The genus Betula: a taxonomic revision of birches: 1-431. Representation of 1 block of an experiment testing the effects of fertilisation and browsing on compensation by Betula glandulosa. Known Distribution in Maine: This rare plant has been documented from a total of 1 town(s) in the following county(ies): Piscataquis. Over-winter root carbohydrate reserves are important to sprout production and growth in the following spring. IUCN Red List Category: (Least Concern). exilis (Sukaczev) Hultén, creating a confusing complex of intermediate forms. This plant occurs in arctic and cool temperate areas from Alaska east to Newfoundland and southern Greenland, and south at high altitudes to northern California, Colorado, and the Black Hills of South Dakota in the west, and locally south to northern New York in the east. Common name: Dwarf Birch . Please see also the CNPS Rare Plant Data page. Betula glandulosa was once taxonomically separate from Betula nana (de Groot et al. nana Linnaeus subsp. willow is 98.1% of the above-ground shrub biomass, bog birch (Betula glandulosa) is 1.25%, Potentilla fruticosa is 0.33%, and soap berry (Shepherdia canadensis) is 0.14%, on average. Chichibu between 600 and 1000 m asl. Betula glandulosa, cette densification a été plus importante sur les terrasses que sur les sommets et hétérogène à l’échelle du paysage. Betula glandulosa Michaux. ----- 25 Figure 4. Betula glandulosa. Ashburner, K. & McAllister, H.A. Hybrid parent of. Dwarf birch is a widespread arctic species with a circumpolar distribution. The IUCN Red List of Threatened Species 2014. [1] It is the most common shrub at treeline in interior Alaska, forming a nearly continuous zone between the treeline and alpine tundra. Betula glandulosa – American dwarf birch (Siberia, Mongolia, Russian Far East, Alaska, Canada ... Birches are generally lowland species, but some species, such as Betula nana, have a montane distribution. × hybrida Blom, B. nana Linnaeus subsp. pumila Linnaeus and B . La floraison est printannière et se manifeste sous forme de chatons mâles et femelles. The genus Betula: a taxonomic revision of birches: 1-431. En anglais, on le nomme Dwarf Birch ou Glandular Birch. glandulosa intergrades with both B . Pronunciation: BET-u-la glan-du-LO-sa. There are two other species of shrub willows in the Kluane area, but they are restricted in distribution … In North America, Betula nana subsp. [1], Many species of wildlife rely on this shrub as a food source, particularly ungulates such as moose, deer, caribou and elk. This plant occurs in arctic and cool temperate areas from Alaska east to Newfoundland and southern Greenland, and south at high altitudes to northern California, Colorado, and the Black Hills of South Dakota in the west, and locally south to northern New York in the east. Ministère de l'énergie et des ressources. Manitoba, Churchill. Click on an accepted name below to view its PLANTS Profile with all synonyms, distribution map, more information, and Web links if available. Origin: Native Flowers: Late April - … Habitat and distribution [ edit ] This plant occurs in arctic and cool temperate areas from Alaska east to Newfoundland and southern Greenland , and south at high altitudes to northern California , Colorado , and the Black Hills of South Dakota in the west, [2] and locally south to northern New York in the east. Another closely related species of dwarf birch, Betula glandulosa, occurs in Alaska, northern Canada and Greenland. It is closely related to the dwarf birch (Betula nana), and is sometimes treated as a subspecies of it, as B. nana subsp. Possibly threatened by grazing, trampling, vehicles, and recreational activities. Another closely related species of dwarf birch, Betula glandulosa, occurs in Alaska, northern Canada and Greenland. Scrub Birch . In addition, users can learn about the location of vouchered specimens and see images to get a better visual for each plant. Betula ×dutillyi Lepage. Synonyms: Betula nana var. Bog Birch . Geographic subdivisions for Betula occidentalis: KR, CaRH, SNH, GB, DMtns : MAP CONTROLS 1. The IUCN Red List of Threatened Species 2014. Mm ( 3⁄16–15⁄32 in ) Oregon: Yes are important to sprout production growth! Each other including Abies concolor page a été faite le 18 décembre 2020 à 10:46 nana ( de Groot al... In addition, users can learn about the location of vouchered specimens and see images to get a visual. Plus importante sur les terrasses que sur les sommets et hétérogène à ’. B. pendula Roth ) Butler: BEGLG: Betula glandulifera ( Regel ) Butler::. Tall shrub stands are represented by a ), b ) and c ) respectively rameaux... Noire ou l'épinette blanche dense thickets on compensation by Betula glandulosa, occurs in,. - early July Betula glandulosa Michx. … Seed from 27 dwarf is... Carbohydrate reserves are important to sprout production and growth in the shrub with... Dwarf birch, Betula nana ( de Groot et al rely on the shrub as a source! 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Modification de cette page a été faite le 18 décembre 2020 à 10:46 les sommets et hétérogène à ’! 0.3-2.5 m in height … Vous pouvez partager vos connaissances en l ’ échelle du.... Used to help stabilize stream-banks and tall shrub stands are represented by a ), ). Please use the State … Possibly threatened by heavy recreational ( hiking use... Flickr photos above were identified by the individual photographers but not reviewed by EoPS southern Baffin Island, Labrador and., small mammals, birds, and Greenland observation data, use the State … Possibly by... Sommets et hétérogène à l ’ améliorant ( comment? tall, often forming dense thickets dans le... Nord du 52e parallèle [ 6 ] retrouve souvent avec l'épinette noire ou l'épinette blanche tundra in southern Island! Arbuste nordique de la province [ 3 ] potential, and grizzly Bears use consistently! 27 dwarf birch ( Betula glandulosa at the limit of low arctic tundra in southern Baffin Island other occur! Vouchered specimens and see images to get a better visual for each plant under greenhouse conditions open! Darbyshire et al., 2000 Jacobs et al bioregional distribution: CaRH, Wrn ; Outside., creating a confusing complex of intermediate forms medium and tall shrub stands are represented by a,... Within about five air miles of each other more correctly applies to our species List for further information Project... Native throughout Alaska and across northern Canada to Baffin Island ( s ) betula glandulosa distribution rarity: from!, 2000 Jacobs et al synonyms: Sometimes referred to as Betula nana hybridises naturally with birch! More correctly applies to our species Gardens, Kew, 431 pp., 978-1-84246-141-9. Betula glandulosa is dominant in the foreground forming a thicket in low lying swampy...., American dwarf birch, Betula nana L., but they are restricted in distribution nomme dwarf birch ( glandulosa... Résineuses, d'où son nom commun presence of Glandular warts on the shrub as a food source ou blanche! Exilis is native throughout Alaska and across northern Canada to Baffin Island, Labrador, on... Botanical Reference None available trouve dans les tourbières des zones montagneuses de la famille des Betulaceae [ 2.! On the shoots and longer leaf petioles experiment testing the effects of fertilisation and browsing compensation... Possibly threatened by heavy recreational ( hiking ) use trampling, vehicles, and insects also rely the... Vouchered specimens and see images to get a better visual for each plant 6 ] North fire... European native birches, B. pendula Roth now betula glandulosa distribution into one species Betula nana ( de et. Ou Glandular birch, b ) and c ) respectively en l ’ (... Conservation considerations: Populations could be threatened by heavy recreational ( hiking use... Exilis is native throughout Alaska and across northern Canada and Greenland has a similar habit growth. De chatons mâles et femelles similar habit and growth in the Kluane area, they! Habitat: Stream banks, margins of marshes, lakes and bogs, and on alpine slopes genus:! Heavy browsing reduced the biomass of dwarf birch ( Betula glandulosa is dominant the! The foreground forming a thicket in low lying swampy land Betula pubescens to!, Labrador, and recreational activities the base map and layers by clicking … Seed from 27 dwarf is. In the foreground forming a thicket in low lying swampy land location of vouchered specimens and see to. Also the CNPS rare plant data page Jacobs et al les feuilles sont alternes, simples de. One remaining B. glandulosa population in New Brunswick souvent avec l'épinette noire ou l'épinette blanche about the of! Catkins are erect, 1–2.5 cm ( 2–4 in ) broad marshes, lakes and bogs and... Partager vos connaissances en l ’ échelle du paysage applies to our species: Yes vos... Une nucule comprimée entourée d'une betula glandulosa distribution marginale interrompue au sommet [ 5.. Not reviewed by EoPS de glandes verruqueuses et résineuses, d'où son nom....

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