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Download Plant Class Sp 2010/Betulaceae Family PP Talk Noah received 20
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Family Betulaceae • By Noah Berglund Genera • • • • Birches (Betula) Alders (Alnus) Hazels (Corylus) Hornbeams (Carpinus) • Hop-hornbeams (Ostrya) • 120-170 species Classification & Characteristics • Deciduous nut-bearing trees and shrubs • Found in the northern hemisphere, and along the mountains to South America. • They are usually found near streams and lakes, or other poorly drained areas. • Leaves – alternate, simple, stipulate. • Pollinate by wind Birches (Betula) • • • Small to medium sized tree. Mostly in northern temperate climates The bark of all birches is characteristically marked with long horizontal lenticels, and often separates into thin papery plates, especially the Paper Birch www.lullymoreheritagepark.com/birchtreeblog.htm Alders (Alnus) • Most common hardwood in the pacific northwest • Shade intolerant • home.howstuffworks.com/common-alder-tree.htm Hazels (Corylus) • Small tree • Male and female flowers are found on the same tree • www.geograph.org.uk/photo/549254 Hornbeams (Carpinus) • Also known as Ironwood • Only 1 species in North America, most are in Asia www.louisvillebonsai.org/post/2008/05/Botanic... Hop-hornbeam (Ostrya) • Wood is very hard • Gets its name, for the seeds look like that of a hops plant used in beer. http://www.dof.virginia.gov/trees/hophornbeam-east.htm References • Walters, Dirk., Keil, David., Murrell, Zack. 2006. Vascular Plant Taxonomy. 5th ed. U.S,: Kendal/Hunt. 180. Print. • Betulaceae. (2010). In Encyclopædia Britannica. Retrieved January 20, 2010, from Encyclopædia Britannica Online: http://www.britannica.com/EBchecked/topic/63629/Betulaceae • Pictures found at URL on the page.
