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Betulaceae
Alnus

Alnus P. Miller. Common name: Alder.

Key to Alnus

A genus of about 25-35 species, shrubs and trees, of subarctic to warm temperate regions of the Northern Hemisphere, and in montane situations south to n. South America.

Glossary (beta!)

Subfamily: Betuloideae.

References: Banaev & Adel’shin (2009); Chen & Li (2004); Chery (2015); Furlow (1990); Furlow (1997) In Flora of North America Editorial Committee (1997); Gray (1842); Hardin (1971a); Kubitzki (1993b) In Kubitzki, Rohwer, & Bittrich (1993); Navarro et al. (2003); Schrader & Graves (2002). Show full citations.

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Hover over a shape, letter, icon, or arrow on the map for definition or see the legend. Data for arrows not developed for genera and families which may have species only occurring outside the flora area.

image of plant© Richard & Teresa Ware | Alnus crispa CC-BY-NC, permission granted to NCBG
image of plant© Erik Danielson | Alnus glutinosa source | Original Image ⭷
image of plant© J.W. Hardin | Alnus serrulata
image of plant© Bruce A. Sorrie | Alnus serrulata | Original Image ⭷
image of plant© Richard & Teresa Ware | Alnus serrulata CC-BY-NC, permission granted to NCBG | Original Image ⭷
image of plant© Alan Cressler: alnus serrulata, tribble mill county park, gwinnett county, georgia 3 by Alan Cressler | Alnus serrulata source | Original Image ⭷
image of plant© Keith Bradley | Alnus serrulata | Original Image ⭷
image of plant© Gary P. Fleming | Alnus serrulata
image of plant© Keith Bradley | Alnus serrulata | Original Image ⭷

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