OF THE CAROLINAS & GEORGIA

Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Ranunculales

WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Thalictrum macrostylum   FAMILY Ranunculaceae   Go to FSUS key


SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Thalictrum macrostylum   FAMILY Ranunculaceae

SYNONYMOUS WITH Flora of North America
Thalictrum macrostylum

INCLUDING VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 076-11-007 & 008:
Thalictrum macrostylum   FAMILY Ranunculaceae

INCLUDING Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968)
Thalictrum subrotundum

SYNONYMOUS WITH Manual of the Southeastern Flora (Small, 1933, 1938)
Thalictrum macrostylum

 

COMMON NAME:
Small-leaved Meadowrue, Small-flowered Meadowrue


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

image of Thalictrum macrostylum, Small-leaved Meadowrue, Small-flowered Meadowrue

JK Marlow    jkm060429_156

April    Clay County    NC

Nantahala National Forest: Tusquitee Ranger District

image of Thalictrum macrostylum, Small-leaved Meadowrue, Small-flowered Meadowrue

Patrick D. McMillan    pdmtmacrostylum_lr1

May    Pickens County    SC

Table Rock State Park

image of Thalictrum macrostylum, Small-leaved Meadowrue, Small-flowered Meadowrue

JK Marlow    jkm220617_8589

June    Greenville County    SC

Blackwell Heritage Preserve

image of Thalictrum macrostylum, Small-leaved Meadowrue, Small-flowered Meadowrue

JK Marlow    jkm220617_8592

June    Greenville County    SC

Blackwell Heritage Preserve

Filaments clavate [club-shaped, thickened toward apex], longer than anthers, per Vascular Flora of the Carolinas.

image of Thalictrum macrostylum, Small-leaved Meadowrue, Small-flowered Meadowrue

JK Marlow    jkm220617_8593

June    Greenville County    SC

Blackwell Heritage Preserve

Upper leaves subsessile, per Vascular Flora of the Carolinas.

image of Thalictrum macrostylum, Small-leaved Meadowrue, Small-flowered Meadowrue

JK Marlow    jkm220617_8595

June    Greenville County    SC

Blackwell Heritage Preserve

Leaflets entire to 3-lobed, averaging about 10mm wide, the broadest usually < 20 mm wide, per Weakley's Flora (2022).


click here to see other plants that look similar to this COMPARE leaves that resemble Thalictrum

image of Thalictrum macrostylum, Small-leaved Meadowrue, Small-flowered Meadowrue

JK Marlow    jkm220617_8598

June    Greenville County    SC

Blackwell Heritage Preserve

image of Thalictrum macrostylum, Small-leaved Meadowrue, Small-flowered Meadowrue

Samantha Tessel    sam072922_9405

July    Greenville County    SC

Bunched Arrowhead Heritage Preserve

image of Thalictrum macrostylum, Small-leaved Meadowrue, Small-flowered Meadowrue

Samantha Tessel    sam072922_9406

July    Greenville County    SC

Bunched Arrowhead Heritage Preserve

Achenes numerous, slightly stipitate; body ovoid, prominently veined, glabrous; beak 0.7-1.7mm, per Flora of North America.

image of Thalictrum macrostylum, Small-leaved Meadowrue, Small-flowered Meadowrue

JK Marlow    jkm211116_5037

November    Greenville County    SC

Blackwell Heritage Preserve

image of Thalictrum macrostylum, Small-leaved Meadowrue, Small-flowered Meadowrue

JK Marlow    jkm211116_5057

November    Greenville County    SC

Blackwell Heritage Preserve

 

WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Thalictrum macrostylum   FAMILY Ranunculaceae

SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Thalictrum macrostylum   FAMILY Ranunculaceae

SYNONYMOUS WITH Flora of North America
Thalictrum macrostylum

INCLUDING VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 076-11-007 & 008:
Thalictrum macrostylum   FAMILY Ranunculaceae

INCLUDING Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968)
Thalictrum subrotundum

SYNONYMOUS WITH Manual of the Southeastern Flora (Small, 1933, 1938)
Thalictrum macrostylum

 

Find by SCIENTIFIC NAME:

2068

Forb
Perennial
Dioecious or polygamous

Native to the Carolinas & Georgia

Rare

Habitat: Moist places, perhaps associated with circumneutral soils, moist to dry ultramafic outcrop barrens (over serpentinized olivine), tidal freshwater marshes, rarely pineland seepages with calcareous substrate, per Weakley's Flora

map
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:
Complexly compound, with 2+ levels of pinnate and/or ternate compoundness
Mostly alternate

FLOWER:
Spring/Summer
Whitish
Unisexual and bisexual
Radially symmetrical
4(-6) sepals
Petals absent
Superior ovary

Inflorescence paniculate

FRUIT:
Spring/Summer
Aggregate of achenes

 

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



 


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