Betula classification
Encyclopedia
Subgenus Betulenta - Wintergreen oil birches
Bark on twigs rich in methyl salicylateMethyl salicylate
Methyl salicylate is a natural product of many species of plants. Some of the plants which produce it are called wintergreens, hence the common name.-Botanical background:...
(oil of wintergreen). Female catkins erect.
- Diploid (2n = 28).
- Betula lentaSweet BirchBetula lenta is a species of birch native to eastern North America, from southern Maine west to southernmost Ontario, and south in the Appalachian Mountains to northern Georgia.-Characteristics and habitat:It is a medium-sized deciduous tree reaching 20 m tall with...
- Sweet Birch or Cherry Birch- Betula lenta subsp. uber - Cherry Creek Birch
- Betula lenta
- Hexaploid (6n = 84).
- Betula allegheniensisYellow BirchBetula alleghaniensis , is a species of birch native to eastern North America, from Newfoundland to Nova Scotia, New Brunswick, southern Quebec and Ontario, and the southeast corner of Manitoba in Canada, west to Minnesota, and south in the Appalachian Mountains to northern Georgia.It is a...
- Yellow Birch (B. lutea)
- Betula allegheniensis
- Decaploid (10n = 140).
- Betula austrosinensis - South China Birch
- Betula globispica -
- Betula insignis -
- Betula medwediewii - Caucasian Birch
- Duodecaploid (12n = 168).
- Betula megrelica -
- chromosome number not reported
- Betula corylifolia - Hazel-leaf Birch
- Betula grossa - Japanese Cherry Birch
- Betula insignis -
Subgenus Betulaster - Large-leaf birches
Bark on twigs contains some methyl salicylate. Female catkins pendulous.-
- Betula alnoides - Alder-leaf Birch
- Betula alnoides subsp. luminifera -
- Betula maximowiczii - Monarch Birch
- Betula alnoides - Alder-leaf Birch
Subgenus Neurobetula - Costate birches
Bark on twigs without methyl salicylate. Female catkins erect.- Diploid (2n = 28).
- Betula calcicola -
- Betula chichibuenis -
- Betula costata -
- Betula nigra - River Birch or Black Birch
- Betula potaninii - Potanin's Birch
- Tetraploid (4n = 56).
- Betula albosinensis - Chinese Red Birch
- Betula albosinensis var. septentrionalis - North Chinese Red Birch
- Betula ermanii - Erman's Birch
- Betula jacquemontii (B. utilis subsp. jacquemontii) - White-barked Himalayan Birch
- Betula utilis - Himalayan Birch
- Betula albosinensis - Chinese Red Birch
- Hexaploid (6n = 84).
- Betula davurica - Dahurian Birch
- Betula delavayi - Delavay's Birch
- Betula raddeanaBetula raddeanaBetula raddeana is a species of plant in the Betulaceae family. It is found in Georgia and Russia. It is threatened by habitat loss.-References:* Firsov, G.A. 1998. .* -Downloaded on 20 August 2007....
- Radde's Birch
- Octoploid (8n = 112).
- Betula chinensis - Chinese Birch
- chromosome number not reported
- Betula fargesii - Farges's Birch
- Betula schmidtii - Schmidt's Birch
- chromosome number unknown
- Betula leopoldae
Subgenus Betula - Typical birches
Bark on twigs without methyl salicylate. Female catkins pendulous.- Diploid (2n = 28).
- Betula cordifoliaBetula cordifoliaBetula cordifolia is a birch species native to Eastern Canada and the North Eastern United States. Until recently it was considered a variety of Betula papyrifera , with which it shares many characteristics, and it was classified as B...
- Heart-leaf Birch or Mountain Paper Birch - Betula pendulaSilver BirchBetula pendula is a widespread European birch, though in southern Europe it is only found at higher altitudes. Its range extends into southwest Asia in the mountains of northern Turkey and the Caucasus...
- Silver Birch - Betula mandschurica - Manchurian Birch
- Betula mandschurica var. japonica - Japanese Birch
- Betula neoalaskanaAlaska BirchBetula neoalaskana or Alaska Birch, also known as Alaska Paper Birch or Resin Birch, is a species of birch native to Alaska and northern Canada...
- Alaska Birch or Yukon Birch - Betula occidentalisBetula occidentalisBetula occidentalis is a species of birch native to western North America, in Canada from Yukon east to western Ontario and southwards, and in the United States from eastern Washington east to western North Dakota, and south to eastern California, northern Arizona and northern New Mexico, and also...
- Water Birch or Red Birch (B. fontinalis) - Betula platyphyllaBetula platyphyllaBetula platyphylla, or the Japanese White Birch, is a tree species belonging to the genus Betula. It can be found in temperate or subarctic places of Asia: Japan, China, Korea, and Siberia. The Japanese White Birch can grow to be 20 m to 30 m tall.-References:...
(Betula pendula var. platyphylla) - Siberian Silver Birch - Betula populifoliaGray BirchBetula populifolia is a deciduous tree native to North America. It ranges from southeastern Ontario east to Nova Scotia, and south to Pennsylvania and New Jersey, with disjunct populations in Indiana, Virginia, and North Carolina. It prefers poor, dry upland soils, but is also found in moist...
- Gray Birch - Betula szechuanicaBetula szechuanicaBetula szechuanica is a birch species native to Sichuan, China, conical in shape, growing to 20 meters in height, with white bark, yellow-green male catkins or green female catkins, and dark, blue-green leaves.- Synonyms :* Betula platyphylla var. szechuanica* Betula mandshurica var. szechuanica*...
(Betula pendula var. szechuanica) - Sichuan Birch
- Betula cordifolia
- Tetraploid (4n = 56).
- Betula celtiberica - Iberian White Birch
- Betula pubescens - White Birch, European White Birch or Downy Birch
- Betula pubescens subsp. tortuosa - Arctic White Birch
- Pentaploid (5n = 70).
- Betula kenaica - Kenai Birch
- Hexaploid (6n = 84).
- Betula papyriferaPaper BirchBetula papyrifera is a species of birch native to northern North America.-Description:...
- Paper Birch, Canoe Birch or American White Birch (sometimes tetraploid or pentaploid)
- Betula papyrifera
Subgenus Chamaebetula - Dwarf birches
Small shrubs with small rounded leaves. Female catkins pendulous.- Diploid (2n = 28).
- Betula glandulosa (B. nana subsp. glandulosa) - American Dwarf Birch
- Betula nanaDwarf BirchBetula nana is a species of birch in the family Betulaceae, found mainly in the tundra of the Arctic region.-Description:...
- Dwarf Birch
- Tetraploid (4n = 56).
- Betula minor - Quebec Dwarf Birch
- Betula pumilaSwamp BirchBetula pumila is a deciduous shrub native to North America. It reaches 1-4 meters in height. Its reproductive structures are catkins similar to other birches....
- Swamp Birch
- chromosome number not reported
- Betula fruticosa -
- Betula hallii - Cascades Dwarf Birch
- Betula humilis - Arctic Dwarf Birch
- Betula michauxii - Newfoundland Dwarf Birch
- Betula microphylla -
- Betula middendorffii -