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Pakistan | Family List | Betulaceae

Alnus Miller, Gard.Dict.Abr.ed. 4. 1754. Boiss., Fl.Or.4:1179.1879; Hook.f.,Fl. Brit.Ind. 5:600.1888; Winkler in Engl., Pflanzenr. Betul.101.1904; Komarov, Fl.URSS. 5:306.1936; Miller in Tutin et al, Fl.Eur.1:59.1964; Hutch., Gen. Flow. Pl.2 :126.1967; Browicz in Rech.f.,Fl.Iran.96:5.1972.

Trees or shrubs. Male flowers in catkins, bracteate; bracts 3-flowered; bracteoles 3-5, united. Tepals 4. Stamens 4. Female flowers in erect conoid spikes; bracts 2-flowered; bracteoles 2-4, small, united to form a 5-lobed persistent fruiting scale. Perianth absent. Fruit a nut, in the axil of the woody bracts.

A genus of 35 species, distributed in the N. temperate regions, S.E. Asia and the Andes in S. America. Represented here by 1 species only.

Lower Taxon

Related Synonym(s):


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