Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Saxifragales
WEAKLEY'S FLORA (11/30/12):
Heuchera americana
FAMILY
Saxifragaceae
NEW! Click to go to FSUS key
Dig deeper at SERNEC, a consortium of southeastern herbaria.
Learn more about American Alumroot from the Vascular Plants of North Carolina.
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Heuchera americana var. americana
FAMILY
Saxifragaceae
INCLUDED WITHIN
VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 094-11-003:
Heuchera americana
FAMILY
Saxifragaceae
COMMON NAME:
American Alumroot
To see larger pictures, click or hover over the thumbnails.
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USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913 pnd_hecu4_001_lvd
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Jim Fanning jcf_alumroot2
April Pickens County SC
SC Botanical Garden
The inflorescence is a pedunculate panicle, per Vascular Flora of the Carolinas.
)
JK Marlow jkm080421_079
April Haywood County NC
Corneille Bryan Native Garden
)
JK Marlow jkm160422_078
April Sevier County TN
Great Smoky Mountains National Park
)
JK Marlow s050410_c
April Greenville County SC
SC Native Plant Society Plant Sale
Leaves are shallowly & obscurely 5-lobed with mostly blunt teeth, per Wildflowers of the Southern Mountains.
COMPARE
Alumroot, Foamflower, and Miterwort
)
JK Marlow jkm0305m_15
May Rutherford County NC
Chimney Rock Park
)
JK Marlow jkm0405c_06
May Rutherford County NC
Chimney Rock Park
Heuchera usually has leaves as wide as long and with prominent variegation, per Weakley's Flora (2020).
)
JK Marlow jkm0405x_09
May Oconee County SC
Sumter National Forest: Andrew Pickens Ranger District
Capsules 3-5.5mm long, per Vascular Flora of the Carolinas.
)
JK Marlow jkm0405x_11
May Oconee County SC
Sumter National Forest: Andrew Pickens Ranger District
The most widespread species of Heuchera in e. North America, per Weakley's Flora (2012).
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Keith Bradley kab_h_americana_0978
May NC
Blue Ridge Parkway
)
Keith Bradley kab_h_americana_73702
May Polk County NC
Norman Wilder Forest
)
Gill Newberry gn00_h_americana_flowers
Month Unknown
)
Gill Newberry gn00_h_americana_inf
Month Unknown
Calyx glandular-puberulent, greenish; stamens and style exserted, per Weakley's Flora.
WEAKLEY'S FLORA (11/30/12):
Heuchera americana
FAMILY
Saxifragaceae
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Heuchera americana var. americana
FAMILY
Saxifragaceae
INCLUDED WITHIN
VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 094-11-003:
Heuchera americana
FAMILY
Saxifragaceae
669
Forb
Perennial
Native to the Carolinas & Georgia
Habitat: Rocky forests, rock outcrops, particularly where soils are subacidic to circumneutral, per Weakley's Flora
NEW! Click here to see a map from Weakley's Flora of the Southeastern US showing range and abundance.
Click here to see a map showing all occurrences known to SERNEC, a consortium of southeastern herbaria. (Zoom in to see more detail.)
LEAVES:
Simple
Basal
FLOWER:
Spring/Summer
Sepals greenish-tipped; petals greenish, white, pink, or purplish
Bisexual
Radially symmetrical
5-lobed calyx
5 petals (usually)
5 stamens
Ovary half-inferior
FRUIT:
Spring/Summer
Capsule
TO LEARN MORE about this plant, look it up in a good book!
- All About South Carolina Wildflowers p173
- Gardening with Native Plants of the South p132
- Guide to the Wildflowers of SC p191
- Newcomb's Wildflower Guide p180
- Southern Appalachian Wildflowers p196
- Wildflowers of the Atlantic Southeast p458
- Wildflowers of the Carolina Lowcountry p132
- Wildflowers of Tennessee p109
- Wildflowers of Tennessee, the Ohio Valley, and the Southern Appalachians p139
- Wildflowers of the Southern Mountains p066