Dig deeper at SERNEC, a consortium of southeastern herbaria.
Check out EDDMapS.org to see where this has been reported.
Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Rosids: Fabids: Fagales
WEAKLEY'S FLORA (11/30/12):
Alnus glutinosa
FAMILY
Betulaceae
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Alnus glutinosa
FAMILY
Betulaceae
SYNONYMOUS WITH
-
Alnus alnus
COMMON NAME:
Black Alder, European Alder
Click or hover over the thumbnails to see larger pictures.
Leslie J. Mehrhoff, University of Connecticut, Bugwood.org bug_5448637
Month Unknown
Male catkins appear in fall; female appear in spring before leaves emerge, per Invasive Plants, Guide to Identification, Impacts and Control.
Leslie J. Mehrhoff, University of Connecticut, Bugwood.org bug_5448656
Month Unknown
Bark becomes dark gray, scaly, per Woody Plants of the Southeastern US: A Winter Guide.
Leslie J. Mehrhoff, University of Connecticut, Bugwood.org bug_5448675
Month Unknown
Leaves of native alders tend to have pointed ends, these are rounded, per Invasive Plants, Guide to Identification, Impacts and Control.
Leslie J. Mehrhoff, University of Connecticut, Bugwood.org bug_5448689
Month Unknown
Sticky ("glutinosa") young twigs & leaves distingush it from native alders, per Invasive Plants, Guide to Identification, Impacts and Control.
T. Davis Sydnor, The Ohio State University, Bugwood.org bug_5495389
Month Unknown
The straight trunk and narrow crown are unlike any native eastern alder, per Woody Plants of the Southeastern US: A Winter Guide.