Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Saxifragales
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Heuchera americana
FAMILY
Saxifragaceae
Go to FSUS key
Dig deeper at SERNEC, a consortium of southeastern herbaria.
Beware that in leaf, this species is very similar to Foamflower (Tiarella cordifolia). Learn more from Vascular Plants of North Carolina.
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Heuchera americana var. americana
FAMILY
Saxifragaceae
SYNONYMOUS WITH Flora of North America
Heuchera americana var. americana
INCLUDED WITHIN VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 094-11-003:
Heuchera americana FAMILY Saxifragaceae
INCLUDING Britton & Brown Illus Flora of Northeast US & adjacent Canada (Gleason, 1952)
Heuchera americana var. americana
INCLUDING Manual of the Southeastern Flora (Small, 1933, 1938)
Heuchera calycosa
INCLUDING Manual of the Southeastern Flora (Small, 1933, 1938)
Heuchera curtisii
INCLUDING Manual of the Southeastern Flora (Small, 1933, 1938)
Heuchera lancipetala
COMMON NAME:
American Alumroot
To see larger pictures, click or hover over the thumbnails.
)
USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913 pnd_hecu4_001_lvd
)
Jim Fanning jcf_alumroot2
April Pickens County SC
SC Botanical Garden
The inflorescence is a pedunculate panicle, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).
)
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 (Smith, 1998).
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 (Radford, Ahles, & Bell, 1968).
)
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 (2022).
)
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 OF THE SOUTHEASTERN US (4/24/22):
Heuchera americana
FAMILY
Saxifragaceae
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Heuchera americana var. americana
FAMILY
Saxifragaceae
SYNONYMOUS WITH
Flora of North America
Heuchera americana var. americana
INCLUDED WITHIN
VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 094-11-003:
Heuchera americana
FAMILY
Saxifragaceae
INCLUDING
Britton & Brown Illus Flora of Northeast US & adjacent Canada (Gleason, 1952)
Heuchera americana var. americana
INCLUDING
Manual of the Southeastern Flora (Small, 1933, 1938)
Heuchera calycosa
INCLUDING
Manual of the Southeastern Flora (Small, 1933, 1938)
Heuchera curtisii
INCLUDING
Manual of the Southeastern Flora (Small, 1933, 1938)
Heuchera lancipetala
669
Forb
Perennial
Habitat: Rocky forests, rock outcrops, particularly where soils are subacidic to circumneutral, per Weakley's Flora
Native to the Carolinas & Georgia
Common (uncommon to rare in Coastal Plain)
Click here to see a map, notes, and images from Weakley's Flora of the Southeastern US.
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 (Midgley, 1999) p173
- Gardening with Native Plants of the South (Wasowski & Wasowski, 1994, 2020) p132
- Guide to the Wildflowers of SC (Porcher & Rayner, 2001) p191
- Newcomb's Wildflower Guide (Newcomb, 1977) p180
- Wildflowers of the Atlantic Southeast (Cotterman, Waitt, & Weakley, 2019) p458
- Wildflowers of the Carolina Lowcountry (Porcher, 1995) p132
- Field Guide to the Wildflowers of Georgia (Chafin, 2016) p325
- Wildflowers of Tennessee (Carman, 2005) p109
- Wildflowers of Tennessee, the Ohio Valley, and the Southern Appalachians (Horn, Cathcart, Hemmerly, & Duhl, 2005) p139
- Wildflowers of the Southern Mountains (Smith, 1998) p066