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Alnus serrulata (Aiton) Willdenow. Tag Alder, Smooth Alder, Hazel Alder. Phen: Feb-Mar; Aug-Oct. Hab: Streambanks, bogs, wet thickets, pondshores, lakeshores. Dist: NS west to s. QC, MO, and OK, south to ne. FL, Panhandle FL, and TX.

Origin/Endemic status: Native

Synonymy : = Ar, C, Fl2, FNA3, G, GrPl, GW2, Il, K1, K3, K4, NcTx, NE, NY, Pa, RAB, Tat, Tn, Tx, Va, W, WH3, Furlow (1990), Hardin (1971a); = Alnus rugosa (Du Roi) Spreng. – S, S13, misapplied; > Alnus serrulata (Aiton) Willd. var. serrulata – F; > Alnus serrulata (Aiton) Willd. var. subelliptica Fernald – F

Links to other floras: = Alnus serrulata - FNA3

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Wetland Indicator Status:

  • Atlantic and Gulf Coastal Plain: FACW
  • Eastern Mountains and Piedmont: OBL
  • Great Plains: OBL
  • Midwest: OBL
  • Northcentral & Northeast: OBL

Heliophily : 6

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image of plant© Bruce A. Sorrie | Original Image ⭷
image of plant© Keith Bradley | Original Image ⭷
image of plant© Keith Bradley | Original Image ⭷
image of plant© Joey Shaw source | Original Image ⭷
image of plant© Gary P. Fleming | Original Image ⭷
image of plant© Grant Morrow Parkins | Original Image ⭷
image of plant© Alan Cressler: alnus serrulata, tribble mill county park, gwinnett county, georgia 3 by Alan Cressler source | Original Image ⭷
image of plant© Collectors SOS | Original Image ⭷
image of plant© Edwin Bridges | Original Image ⭷

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Horticultural Information

NCBG trait

Intro:

Stems:

Leaves:

Inforescence:

Flowers: Bright yellow male catkins. Reddish cone-like female flowers.

Fruits:

Comments:

Height: 15 feet

plant sale text: Tag alder is a suckering, multi-stemmed shrub or small tree found along stream banks, pond margins and in wet meadows in the eastern US. This species is tolerant of prolonged flooding as well as temporarily dry situations. Monoecious, tag alder produces both pistillate (female) and staminate (male) flowers on the same plant, making for a attractive show in early spring. The fruit, a woody dark brown cone like catkin, ripens in late fall and persist thru the winter. Tag alder leaves turn yellow and orange in color in the fall.

bloom table text:

description:

stems:

leaves:

inflorescence:

flowers: Bright yellow male catkins. Reddish cone-like female flowers.

fruits:

comments:

cultural notes:

germination code:

native range: eastern North America