alder birch

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• birch family — noun monoecious trees and shrubs (including the genera Betula and Alnus and Carpinus and Corylus and Ostrya and Ostryopsis) • Syn: ↑Betulaceae, ↑family Betulaceae • Derivationally related forms: ↑betulaceous (for: ↑Betulaceae) …   Useful english dictionary

• birch family — the plant family Betulaceae, characterized by deciduous trees having simple serrate leaves, male flowers in drooping catkins, female flowers in short clusters, and one seeded nuts, and including the alder, birch, hazel, and hornbeam. * * * …   Universalium

• alder — (n.) tree related to the birch, O.E. alor alder (with intrusive d added 14c.; the historical form aller survived until 18c. in literary English and persists in dialects, e.g. Lancashire owler, which is partly from Norse), from P.Gmc. *aliso (Cf.… …   Etymology dictionary

• alder — [ôl′dər] n. [ME alder, aller < OE alor, aler < IE base * el : see ELM] any of a small group of rapidly growing trees and shrubs (genus Alnus) of the birch family, having toothed leaves and catkins, and growing in cool, moist soil in… …   English World dictionary

• alder — ► NOUN ▪ a tree of the birch family, which bears catkins and has toothed leaves. ORIGIN Old English …   English terms dictionary

• alder — /awl deuhr/, n. 1. any shrub or tree belonging to the genus Alnus, of the birch family, growing in moist places in northern temperate or colder regions and having toothed, simple leaves and flowers in catkins. 2. any of various trees or shrubs… …   Universalium

• Birch — Taxobox name = Birch image width = 240px image caption = Silver Birch regnum = Plantae divisio = Magnoliophyta classis = Magnoliopsida ordo = Fagales familia = Betulaceae genus = Betula genus authority = L. subdivision ranks = Species subdivision …   Wikipedia

• Alder — /ahl deuhr/; Ger. /ahl deuhrdd/, n. Kurt /kerrt/; Ger. /koorddt/, 1902 58, German chemist: Nobel prize 1950. * * * Any of about 30 species of ornamental shrubs and trees in the genus Alnus, of the birch family, found throughout the Northern… …   Universalium

• Alder — Taxobox name = Alder image caption = Alnus serrulata (Tag Alder) Male catkins on right, mature female catkins left Johnsonville, South Carolina regnum = Plantae divisio = Magnoliophyta classis = Magnoliopsida ordo = Fagales familia = Betulaceae… …   Wikipedia

• alder — noun [ˈɔːldə,ˈɔldɚ/ Any of several trees or shrubs of the genus Alnus, belonging to the birch family. See Also: Andean alder, black alder, Caucasian alder, common alder, Formosan alder, green alder, grey alder, hazel alder, Himalayan alder,… …   Wiktionary

• alder — noun Etymology: Middle English, from Old English alor; akin to Old High German elira alder, Latin alnus Date: before 12th century any of a genus (Alnus) of toothed leaved trees or shrubs of the birch family that have catkins which become woody,… …   New Collegiate Dictionary