Edit Plant: Sweet Birch

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'''Sweet Birch''' (''Betula lenta''), also known as '''Black Birch''', '''Cherry Birch''', '''Mahogany Birch''', '''River Birch''', or '''Spice Birch''' is a species of [[birch]] native to eastern [[North America]], from southern [[Maine]] west to southernmost [[Ontario]] and southern [[Michigan]], and south in the [[Appalachian Mountains]] to northern [[Georgia (U.S. state)|Georgia]]. It is a medium-sized [[deciduous]] [[tree]] reaching 20 m tall with a trunk up to 60 cm diameter. The [[bark]] is (unlike most birches) rough, dark blackish-brown, cracking into irregular scaly plates. The twigs, when scraped, have a strong scent of [[methyl salicylate|oil of wintergreen]]. The [[leaf|leaves]] are alternate, ovate, 5-10 cm long and 4-8 cm broad, with a finely serrated margin. The [[flower]]s are wind-pollinated [[catkin]]s 3-6 cm long, the male catkins pendulous, the female catkins erect. The [[fruit]], maturing in fall, is composed of numerous tiny winged [[seed]]s packed between the catkin bracts. Sweet Birch was used commercially in the past for production of oil of wintergreen before modern industrial synthesis; the tree's name reflects this scent of the shoots. The [[sap (plant)|sap]] flows about a month later than [[maple]] sap, and much faster. The trees can be tapped in a similar fashion, but must be gathered about three times more often. [[Birch sap]] can be boiled the same as maple sap, but its syrup is stronger (like [[molasses]]). {{Inc| Betula lenta, Linn. (B. carpinifolia, Ehrh.). Cherry, Sweet, or Black Birch. Tree, 60-70 ft.: trunk dark reddish brown, young bark aromatic, of agreeable flavor: Lvs. oblong-ovate, usually cordate at the base, sharply and doubly serrate, hairy beneath when young, nearly" glabrous at length, 2-5 in. long: cones ovoid- oblong, 1-1½ in. long; scales about tin. long, lobed only at the apex, the middle lobe slightly longer. From Maine to Ala., west to eastern Ohio.—Very handsome tree, round- headed and with pendulous branches when older; attractive in spring, with its long staminate catkins. Bark and Lvs. largely used in domestic practice: branches and foliage yield an oil very similar to oil of wintergreen, and employed for all conditions in which the latter proves useful; bark as well as the oil much used for flavoring. }} ==Cultivation== ===Propagation=== ===Pests and diseases=== ==Varieties== ==Gallery== <gallery perrow=5> Image:Upload.png| photo 1 Image:Upload.png| photo 2 Image:Betula lenta subsps lenta 01-10-2005 14.54.08.JPG Image:Black_birch_bark.jpg|Birch bark Image:Koeh-021.jpg|19th century illustration </gallery> ==References== <references/> *[[Standard Cyclopedia of Horticulture]], by L. H. Bailey, MacMillan Co., 1963    ==External links== *{{wplink}} {{stub}} __NOTOC__

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