Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Rosids: Fabids: Fagales
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Alnus crispa
FAMILY
Betulaceae
Go to FSUS key
Dig deeper at SERNEC, a consortium of southeastern herbaria.
Read more about Green Alder at Vascular Plants of North Carolina.
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Alnus viridis ssp. crispa
FAMILY
Betulaceae
SYNONYMOUS WITH Flora of North America
Alnus viridis ssp. crispa
SYNONYMOUS WITH Manual of Vascular Plants of NE US & Adjacent Canada (Gleason & Cronquist,1991)
Alnus viridis var. crispa
SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 054-01-001:
Alnus crispa FAMILY Betulaceae
INCLUDED WITHIN Manual of the Southeastern Flora (Small, 1933, 1938)
Alnus alnobetula
INCLUDING (NOT VALIDLY PUBLISHED) Notes of a botanical excursion to the mountains of North Carolina (Gray, 1842)
Alnus mitchelliana
COMMON NAME:
Green Alder, Mountain Alder
To see larger pictures, click or hover over the thumbnails.
)
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 (Gaddy, 2014).
)
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 (Radford, Ahles, & Bell, 1968).
)
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 (Lance, 2004).
)
JK Marlow jkm070721_036
July Mitchell County NC-TN
The Roan Highlands
)
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 (Lance, 2004).
)
Ron Lance rwl57_a
September
Leaves sharply double-toothed, prominently veined, base rounded, per Woody Plants of the Blue Ridge (Lance).
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Alnus crispa
FAMILY
Betulaceae
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Alnus viridis ssp. crispa
FAMILY
Betulaceae
SYNONYMOUS WITH
Flora of North America
Alnus viridis ssp. crispa
SYNONYMOUS WITH
Manual of Vascular Plants of NE US & Adjacent Canada (Gleason & Cronquist,1991)
Alnus viridis var. crispa
SYNONYMOUS WITH
VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 054-01-001:
Alnus crispa
FAMILY
Betulaceae
INCLUDED WITHIN
Manual of the Southeastern Flora (Small, 1933, 1938)
Alnus alnobetula
INCLUDING (NOT VALIDLY PUBLISHED)
Notes of a botanical excursion to the mountains of North Carolina (Gray, 1842)
Alnus mitchelliana
57
Shrub; Tree
Perennial
Monoecious
Habitat: Grassy balds, shrub balds, spruce-fir forests, and rock outcrops at high elevations (1600-1900m) in the Roan Mountain Massif, Mitchell and Avery counties, NC and Carter County, TN, per Weakley's Flora
Native to North Carolina
Rare (though locally common)
CLICK HERE to see a map, notes, and images from Weakley's Flora of the Southeastern US.
LEAVES:
Deciduous
Simple
Alternate
FLOWER:
Spring/Summer
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
Samara
TO LEARN MORE about this plant, look it up in a good book!
- How to Recognize Shrubs (Grimm, 1966) p092
- Native Shrubs and Woody Vines of the Southeast (Foote & Jones, 1989) p055
- Woody Plants of the Blue Ridge (Lance) p37
- Woody Plants of the Southeastern US: A Winter Guide (Lance, 2004) p054
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