OF THE CAROLINAS & GEORGIA

Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Saxifragales

WEAKLEY'S FLORA (10/20/20):
Micranthes petiolaris var. petiolaris   FAMILY Saxifragaceae   NEW! Click to go to FSUS key


SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Saxifraga michauxii   FAMILY Saxifragaceae

SYNONYMOUS WITH Flora of North America
Micranthes petiolaris

SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 094-14-001:
Saxifraga michauxii   FAMILY Saxifragaceae

SYNONYMOUS WITH Manual of the Southeastern Flora (Small, 1933, 1938)
Hydatica petiolaris

 

COMMON NAME:
Michaux's Saxifrage, Cliff Saxifrage


         To see larger pictures, click or hover over the thumbnails.

image of Micranthes petiolaris var. petiolaris, Michaux's Saxifrage, Cliff Saxifrage

USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913    pnd_hype7_001_lvd

        

image of Micranthes petiolaris var. petiolaris, Michaux's Saxifrage, Cliff Saxifrage

JK Marlow    jkm200522_5148

May    Jackson County    NC

Blue Ridge Parkway

image of Micranthes petiolaris var. petiolaris, Michaux's Saxifrage, Cliff Saxifrage

JK Marlow    jkm100626_032

June    Avery County    NC

The Roan Highlands

The upper three petals each have two yellow spots, per Guide to the Wildflowers of SC.

image of Micranthes petiolaris var. petiolaris, Michaux's Saxifrage, Cliff Saxifrage

JK Marlow    jkm100626_035

June    Avery County    NC

The Roan Highlands

Leaves are coarsely serrate, obovate to oblanceolate, from 2-6" long, per Wildflowers of Tennessee.

image of Micranthes petiolaris var. petiolaris, Michaux's Saxifrage, Cliff Saxifrage

Keith Bradley    kab_h_petiolaris_0754

June    Haywood County    NC

Blue Ridge Parkway

image of Micranthes petiolaris var. petiolaris, Michaux's Saxifrage, Cliff Saxifrage

JK Marlow    jkm0307g_17

July    Greenville County    SC

Jones Gap State Park

Our only Saxifrage with bilaterally symmetric flowers, per Wildflowers of the Southern Mountains.

image of Micranthes petiolaris var. petiolaris, Michaux's Saxifrage, Cliff Saxifrage

JK Marlow    jkm060723_104

July    Transylvania County    NC

Blue Ridge Parkway

image of Micranthes petiolaris var. petiolaris, Michaux's Saxifrage, Cliff Saxifrage

JK Marlow    jkm060723_106

July    Transylvania County    NC

Blue Ridge Parkway

Hairy perennial with most leaves in a basal rosette, per Wildflowers of Tennessee.

image of Micranthes petiolaris var. petiolaris, Michaux's Saxifrage, Cliff Saxifrage

JK Marlow    jkm060723_343

July    Jackson County    NC

Blue Ridge Parkway

image of Micranthes petiolaris var. petiolaris, Michaux's Saxifrage, Cliff Saxifrage

JK Marlow    jkm0308w_04

August    Jackson County    NC

Blue Ridge Parkway

Plant from 4-20" tall with a large open inflorescence, per Wildflowers of Tennessee.

image of Micranthes petiolaris var. petiolaris, Michaux's Saxifrage, Cliff Saxifrage

JK Marlow    jkm0311d_37

November    Jackson County    NC

Blue Ridge Parkway

Reddish-green leaves & stem and deeply toothed spatulate leaves, per Great Smoky Mountains Wildflowers.

image of Micranthes petiolaris var. petiolaris, Michaux's Saxifrage, Cliff Saxifrage

JK Marlow    jkm0311e_01

November    Jackson County    NC

Blue Ridge Parkway

image of Micranthes petiolaris var. petiolaris, Michaux's Saxifrage, Cliff Saxifrage

JK Marlow    jkm0311e_08

November    Jackson County    NC

Blue Ridge Parkway

 

WEAKLEY'S FLORA (10/20/20):
Micranthes petiolaris var. petiolaris   FAMILY Saxifragaceae

SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Saxifraga michauxii   FAMILY Saxifragaceae

SYNONYMOUS WITH Flora of North America
Micranthes petiolaris

SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 094-14-001:
Saxifraga michauxii   FAMILY Saxifragaceae

SYNONYMOUS WITH Manual of the Southeastern Flora (Small, 1933, 1938)
Hydatica petiolaris

 

Find by SCIENTIFIC NAME:

1334

Forb
Perennial

Native to the Carolinas & Georgia

Common, endemic to the Southern Appalachians

Habitat: rock outcrops, especially in seasonal seepage, at low to high elevations in the Southern and Central Appalachians, per Weakley's Flora

map
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 (rarely any stem leaves)

FLOWER:
Summer
Whitish
Bisexual
Bilaterally symmetrical
5 sepals
5 petals
10 stamens, barely exserted

FRUIT:
Summer
Capsule

 

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



 


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