OF THE CAROLINAS & GEORGIA

Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Rosids: Fabids: Fagales

WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Alnus serrulata   FAMILY Betulaceae   Go to FSUS key



SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Alnus serrulata   FAMILY Betulaceae

SYNONYMOUS WITH Flora of North America

Alnus serrulata

SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 054-01-002:

Alnus serrulata   FAMILY Betulaceae

 

COMMON NAME:
Tag Alder, Hazel Alder, Smooth Alder


         To see larger pictures, click or hover over the thumbnails.

image of Alnus serrulata, Tag Alder, Hazel Alder, Smooth Alder

USDA-NRCS PLANTS Database / USDA Wetland flora: Field office illustrated guide    pnd_alse2_003_lvd

        

image of Alnus serrulata, Tag Alder, Hazel Alder, Smooth Alder

JK Marlow    jkm0401d_37

January    Greenville County    SC

Roadside/creekside

image of Alnus serrulata, Tag Alder, Hazel Alder, Smooth Alder

JK Marlow    jkm240213_7351

February    Greenville County    SC

image of Alnus serrulata, Tag Alder, Hazel Alder, Smooth Alder

JK Marlow    jkm240213_7353

February    Greenville County    SC

Leaf buds few-scaled and frequently stalked; 3 or more bundle scars, per Woody Plants of the Southeastern US: A Winter Guide (Lance, 2004).

image of Alnus serrulata, Tag Alder, Hazel Alder, Smooth Alder

Richard and Teresa Ware    rtw_alnus_serrulata_2

February        

Bark frequently fluted and twisted, similar to that of Carpinus caroliniana, per Native Trees of the Southeast, An Identification Guide (Kirkman, Brown, & Leopold, 2007).


click here to see other plants that look similar to this COMPARE bark of American Hornbeam and Tag Alder

image of Alnus serrulata, Tag Alder, Hazel Alder, Smooth Alder

Sam Pratt    sbp_021223_1128

February    Spartanburg County    SC

image of Alnus serrulata, Tag Alder, Hazel Alder, Smooth Alder

Gill Newberry    gn03_a_serrulata_female

March        

Female flowers reddish.

image of Alnus serrulata, Tag Alder, Hazel Alder, Smooth Alder

Gill Newberry    gn03_a_serrulata_malecatk

March        

Male catkins longer than female catkins, pendent, each one stalked, per Woody Plants of the Blue Ridge (Lance).

image of Alnus serrulata, Tag Alder, Hazel Alder, Smooth Alder

Gill Newberry    gn03_a_serrulata_oldcones

March        

Fruit: Narrowly winged nutlets in persistent semi-woody conelike structures, per Native Trees of the Southeast, An Identification Guide (Kirkman, Brown, & Leopold, 2007).

image of Alnus serrulata, Tag Alder, Hazel Alder, Smooth Alder

Gill Newberry    gn03_a_serrulata_plant

March        

image of Alnus serrulata, Tag Alder, Hazel Alder, Smooth Alder

JK Marlow    jkm0503a_02

March    Greenville County    SC

Paris Mountain State Park

Persistent inflorescences and fruit cones make this not easily confused, per Native Trees of the Southeast, An Identification Guide (Kirkman, Brown, & Leopold, 2007).

image of Alnus serrulata, Tag Alder, Hazel Alder, Smooth Alder

JK Marlow    jkm240312_7663

March    Greenville County    SC

image of Alnus serrulata, Tag Alder, Hazel Alder, Smooth Alder

JK Marlow    jkm0307c_18

July    Rutherford County    NC

Chimney Rock Park

image of Alnus serrulata, Tag Alder, Hazel Alder, Smooth Alder

JK Marlow    jkm0407b_32

July    Rutherford County    NC

Chimney Rock Park

Principal leaves are broadest at or beyond the middle, per Trees of the Southeastern United States (Duncan & Duncan, 1988).

image of Alnus serrulata, Tag Alder, Hazel Alder, Smooth Alder

JK Marlow    jkm090725_038

July    Jackson County    NC

Western Carolina University

Leaves stipulate, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).

image of Alnus serrulata, Tag Alder, Hazel Alder, Smooth Alder

JK Marlow    jkm090725_039

July    Jackson County    NC

Western Carolina University

Leaf margins finely toothed and occasionally slightly wavy, per Native Trees of the Southeast, An Identification Guide (Kirkman, Brown, & Leopold, 2007).

image of Alnus serrulata, Tag Alder, Hazel Alder, Smooth Alder

JK Marlow    jkm120704_553

July    Greenville County    SC

Ashmore Heritage Preserve

Leaves straight-veined, petiolate; apex acute or rounded; base widely cuneate, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).


click here to see other plants that look similar to this COMPARE leaves of Hazel Alder, Hazelnut, Witch Hazel and Witch-alder

image of Alnus serrulata, Tag Alder, Hazel Alder, Smooth Alder

Richard and Teresa Ware    rtw_alnus_serrulata_4

July        

image of Alnus serrulata, Tag Alder, Hazel Alder, Smooth Alder

JK Marlow    jkm0308e_27

August    Greenville County    SC

Pistillate flowers borne in erect, short, ovoid, cone-like spikes, per Native Trees of the Southeast, An Identification Guide (Kirkman, Brown, & Leopold, 2007).

image of Alnus serrulata, Tag Alder, Hazel Alder, Smooth Alder

JK Marlow    jkm0309b_10

September    Greenville County    SC

Ashmore Heritage Preserve

image of Alnus serrulata, Tag Alder, Hazel Alder, Smooth Alder

JK Marlow    s020924_a

September    Greenville County    SC

Furman University

image of Alnus serrulata, Tag Alder, Hazel Alder, Smooth Alder

JK Marlow    jkm0310d_30

October    Greenville County    SC

Roadside/creekside

Male catkins are conspicuous in winter, and pendulous, per Trees of the Southeastern United States (Duncan & Duncan, 1988).

image of Alnus serrulata, Tag Alder, Hazel Alder, Smooth Alder

JK Marlow    jkm221004_0236

October    Greenville County    SC

Bald Rock Heritage Preserve

image of Alnus serrulata, Tag Alder, Hazel Alder, Smooth Alder

JK Marlow    jkm221004_0237

October    Greenville County    SC

Bald Rock Heritage Preserve

Leaf buds stalked, per Woody Plants of the Southeastern US: A Winter Guide (Lance, 2004).

image of Alnus serrulata, Tag Alder, Hazel Alder, Smooth Alder

Keith Bradley    kab_alnus_serrulata_7842

October    Sumter County    SC

Mill Creek Park

image of Alnus serrulata, Tag Alder, Hazel Alder, Smooth Alder

Keith Bradley    kab_alnus_serrulata_7847

October    Sumter County    SC

Mill Creek Park

image of Alnus serrulata, Tag Alder, Hazel Alder, Smooth Alder

Richard and Teresa Ware    rtw_a_serrulata_cnc_1

November        

 

 

WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Alnus serrulata   FAMILY Betulaceae

SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Alnus serrulata   FAMILY Betulaceae

SYNONYMOUS WITH Flora of North America
Alnus serrulata

SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 054-01-002:
Alnus serrulata   FAMILY Betulaceae

 

Find by SCIENTIFIC NAME:

60

Shrub; Tree
Perennial
Monoecious

Habitat: Streambanks, bogs, wet thickets, per Weakley's Flora

Native to the Carolinas & Georgia

Common

map
CLICK HERE to see a map, notes, and images from Weakley's Flora of the Southeastern US.

LEAVES:
Deciduous
Simple
Alternate
Leaves are subtended by stipules.

FLOWER:
Spring
Staminate calyx 4-parted, pistillate calyx absent
Petals absent in pistillate flowers
4 stamens in staminate flowers
Inferior ovary
Unisexual

Flowers in catkins (staminate catkins elongate)

FRUIT:
Summer/Fall
Nut

 

TO LEARN MORE about this plant, look it up in a good book!



 


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