Native & Naturalized Plants of the Carolinas & Georgia


57

Shrub; Tree
Perennial
Monoecious

Native to North Carolina
Documented growing wild in - NC -

Rare (though locally common)

Look for it on grassy balds, shrub balds, spruce-fir forests and rock outcrops at high elevations (1600-1900m) in the Roan Mtn Massif, Mitchell & Avery Counties, NC, and Carter County, TN, per Weakley's Flora

map
To see a detailed map, click here

 

LEAVES:
Deciduous
Simple
Alternate

FLOWER:
Spring/Summer
Unisexual
Staminate calyx 4-parted, pistillate calyx absent
Petals absent in pistillate flowers
4 stamens in staminate flowers
Inferior ovary
Flowers in catkins (staminate catkins elongate)

FRUIT:
Summer
Samara

 

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



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

WEAKLEY'S FLORA (11/30/12):
Alnus viridis ssp. crispa   FAMILY Betulaceae

SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Alnus viridis ssp. crispa   FAMILY Betulaceae

SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (1968) 054-01-001:
Alnus crispa   FAMILY Betulaceae

SYNONYMOUS WITH Manual of Vascular Plants of NE US & Adjacent Canada (Gleason & Cronquist,1991)
Alnus viridis var. crispa

 

COMMON NAME:
Green Alder, Mountain Alder


Click or hover over the thumbnails to see larger pictures.

image of Alnus viridis ssp. crispa

L.L. (Chick) Gaddy    llg_greenalder

May?    Carter County    TN

Green Alder reaches the southern limits of its range on Round Bald, per Alpine South: Plants and Plant Communities of the High Elevations of the Southern Appalachians.

image of Alnus viridis ssp. crispa

JK Marlow    jkm0407v_14

July    Mitchell County    NC

The Roan Highlands

Pistillate catkins ellipsoid, 0.7-1.8cm wlong, 0.6-1.2cm wide, per Vascular Flora of the Carolinas.

image of Alnus viridis ssp. crispa

JK Marlow    jkm070721_032

July    Mitchell County    NC-TN

The Roan Highlands

Male catkin buds sessile, not pendent, per Woody Plants of the Southeastern US: A Winter Guide.

image of Alnus viridis ssp. crispa

JK Marlow    jkm070721_036

July    Mitchell County    NC-TN

The Roan Highlands

image of Alnus viridis ssp. crispa

JK Marlow    jkm070721_037

July    Mitchell County    NC-TN

The Roan Highlands

Fruit conelike, woody, and persistent, per Woody Plants of the Southeastern US: A Winter Guide.

image of Alnus viridis ssp. crispa

Ron Lance    rwl57_a

September        

Leaves sharply double-toothed, prominently veined, base rounded, per Woody Plants of the Blue Ridge.