Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Saxifragales
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Micranthes micranthidifolia
FAMILY
Saxifragaceae
Go to FSUS key
Dig deeper at SERNEC, a consortium of southeastern herbaria.
Read about the break-up of Saxifraga and the Saxifragaceae from Alan Weakley and the Southern Appalachian Botanical Society.
Learn more about Brook Lettuce from the Vascular Plants of North Carolina.
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Saxifraga micranthidifolia
FAMILY
Saxifragaceae
SYNONYMOUS WITH Flora of North America north of Mexico, vol. 8 (2009)
Micranthes micranthidifolia
SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 094-14-004:
Saxifraga micranthidifolia FAMILY Saxifragaceae
SYNONYMOUS WITH Manual of the Southeastern Flora (Small, 1933, 1938)
Micranthes micranthidifolia
COMMON NAME:
Brook Lettuce, Mountain Lettuce, Branch Lettuce, Lettuceleaf Saxifrage
To see larger pictures, click or hover over the thumbnails.
)
USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913 pnd_mimi7_001_lvd
)
JK Marlow jkm160323_072
March Polk County NC
Pearson's Falls
)
JK Marlow jkm230320_1769
March Greenville County SC
Chestnut Ridge Heritage Preserve
Five oval, stalked petals, white with a yellow spot near the base, per Wildflowers of Tennessee, the Ohio Valley, and the Southern Appalachians (Horn, Cathcart, Hemmerly, & Duhl, 2005).
)
JK Marlow jkm230320_1772
March Greenville County SC
Chestnut Ridge Heritage Preserve
Filaments strongly clavate, per Weakley's Flora (2022).
)
JK Marlow jkm080420_118
April Sevier County TN
Great Smoky Mountains National Park
Oblanceolate, serrate leaves long-attenuate at the base, often 8" long, per Wildflowers of the Southern Mountains (Smith, 1998).
)
JK Marlow jkm140418_204
April Sevier County TN
Great Smoky Mountains National Park
)
JK Marlow jkm140418_204b
April Sevier County TN
Great Smoky Mountains National Park
)
JK Marlow jkm150423_462
April Sevier County TN
Great Smoky Mountains National Park
)
JK Marlow jkm150423_517
April Sevier County TN
Great Smoky Mountains National Park
)
JK Marlow jkm150423_522
April Sevier County TN
Great Smoky Mountains National Park
Blades of basal leaves sharply toothed, per Wildflowers of Tennessee (Carman, 2005).
)
JK Marlow jkm150423_526
April Sevier County TN
Great Smoky Mountains National Park
)
JK Marlow jkm190427_7836
April Jackson County SC
Blue Ridge Parkway
The common name refers to the plant's habitat; ‘branches’ are mountain streams, per Weakley's Flora (2022).
)
JK Marlow jkm190427_7843
April Jackson County SC
Blue Ridge Parkway
Leaf margins irregularly serrate to dentate, ciliate, per Flora of North America.
)
JK Marlow jkm0405k_11b
May Sevier County TN
Great Smoky Mountains National Park
)
JK Marlow jkm0405k_12
May Sevier County TN
Great Smoky Mountains National Park
Basal leaves oblanceolate to oblong, tapering to winged petiole, per Wildflowers of Tennessee (Carman, 2005).
)
JK Marlow jkm160505_539
May Jackson County NC
)
JK Marlow jkm160505_543
May Jackson County NC
Calyx tube absent; sepals 1.5-2.5mm long, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Micranthes micranthidifolia
FAMILY
Saxifragaceae
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Saxifraga micranthidifolia
FAMILY
Saxifragaceae
SYNONYMOUS WITH
Flora of North America north of Mexico, vol. 8
Micranthes micranthidifolia
SYNONYMOUS WITH
VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 094-14-004:
Saxifraga micranthidifolia
FAMILY
Saxifragaceae
SYNONYMOUS WITH
Manual of the Southeastern Flora (Small, 1933, 1938)
Micranthes micranthidifolia
1335
Forb
Perennial
Habitat: Wet soils of seepages, in the beds of high elevation brooks, brookbanks; rocky seepages, per Weakley's Flora
Native to the Carolinas & Georgia
Common in NC Mountains (rare elsewhere in GA-NC-SC)
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 (rarely any stem leaves)
FLOWER:
Spring/Summer
Whitish
Radially symmetrical
5 sepals
5 petals
10 exserted stamens
Bisexual
FRUIT:
Spring/Summer
Capsule
TO LEARN MORE about this plant, look it up in a good book!
- Great Smoky Mountains Wildflowers (Campbell, Hutson, Sharp, & Hutson, 1962) p022
- Guide to the Wildflowers of SC (Porcher & Rayner, 2001) p112
- Newcomb's Wildflower Guide (Newcomb, 1977) p180
- Wildflowers of the Atlantic Southeast (Cotterman, Waitt, & Weakley, 2019) p144
- Wildflowers of the Eastern United States (Duncan & Duncan, 1999) p023
- Wild Flowers of NC, 2nd edition (Justice, Bell, & Lindsey, 2005) p107
- Field Guide to the Wildflowers of Georgia (Chafin, 2016) p325
- Wildflowers of Tennessee (Carman, 2005) p114
- Wildflowers of Tennessee, the Ohio Valley, and the Southern Appalachians (Horn, Cathcart, Hemmerly, & Duhl, 2005) p143
- Wildflowers of the Southern Mountains (Smith, 1998) p065
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