Native & Naturalized Plants of the Carolinas & Georgia


447

Forb
Perennial

Native to the Carolinas & Georgia
Documented growing wild in GA NC SC

Common (uncommon in GA)

Look for it in dry oak and pine forests, fields, woodland borders, disturbed areas, per Weakley's Flora

map
To see a detailed map, click here

 

full sun partial shade

LEAVES:
Pinnately compound: 3 leaflets
Alternate

FLOWER:
Summer/Fall
Rose-purplish
Bilaterally symmetrical
2-lipped calyx
5-parted papilionaceous corolla
10 stamens, diadelphous, 9 and 1
Superior ovary
Flowers in terminal panicles

FRUIT:
Summer/Fall
Loment with 3-5 angular segments

 

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



Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Rosids: Fabids: Fabales

WEAKLEY'S FLORA (11/30/12):
Desmodium laevigatum   FAMILY Fabaceae

SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Desmodium laevigatum   FAMILY Fabaceae

SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (1968) 098-26-017:
Desmodium laevigatum   FAMILY Fabaceae

SYNONYMOUS WITH Manual of the Southeastern Flora (Small, 1933)
Meibomia laevigata

 

COMMON NAME:
Smooth Tick-trefoil


Click or hover over the thumbnails to see larger pictures.

image of Desmodium laevigatum

USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913    pnd_mela8_001_lvd

        

image of Desmodium laevigatum

JK Marlow    jkm140724_086

July    Greenville County    SC

Swamp Rabbit Trail

image of Desmodium laevigatum

JK Marlow    jkm140724_088

July    Greenville County    SC

Swamp Rabbit Trail

Terminal leaflets ovate to elliptic-ovate or elliptic-oblong, per Vascular Flora of the Carolinas.

image of Desmodium laevigatum

JK Marlow    jkm140724_091

July    Greenville County    SC

Swamp Rabbit Trail

Stems and leaves glabrous, per Weakley's Flora.


click here to see other plants that look similar to this COMPARE leaves of Desmodium species

image of Desmodium laevigatum

JK Marlow    jkm140804_357

August    Greenville County    SC

Swamp Rabbit Trail

Leaflets distinctly pale on the lower surface, per Weakley's Flora.


click here to see other plants that look similar to this COMPARE Beggar's Lice (Tick-trefoil) species

image of Desmodium laevigatum

JK Marlow    jkm140804_359

August    Greenville County    SC

Swamp Rabbit Trail

image of Desmodium laevigatum

JK Marlow    jkm140822_964

August    Greenville County    SC

Swamp Rabbit Trail

The two fused petals of the keel enfold ten stamens and a pistil, per Book of Field and Roadside.

image of Desmodium laevigatum

JK Marlow    jkm140822_964b

August    Greenville County    SC

Swamp Rabbit Trail

An insect's probing will snap down the keel, jerking the stamens loose, per Book of Field and Roadside.

image of Desmodium laevigatum

JK Marlow    jkm140822_964c

August    Greenville County    SC

Swamp Rabbit Trail

The wing-petals trigger only once, and the flower dusts pollen only once, per Book of Field and Roadside.

image of Desmodium laevigatum

JK Marlow    jkm140822_964d

August    Greenville County    SC

Swamp Rabbit Trail

Petals 8-10mm long, per Vascular Flora of the Carolinas.

image of Desmodium laevigatum

JK Marlow    jkm140822_964e

August    Greenville County    SC

Swamp Rabbit Trail

Calyx densely puberulent & 2-lipped, upper lip scarcely bifid, lower 3-dentate, per Vascular Flora of the Carolinas.

image of Desmodium laevigatum

JK Marlow    jkm140822_966

August    Greenville County    SC

Swamp Rabbit Trail

image of Desmodium laevigatum

JK Marlow    jkm140909_622

September    Greenville County    SC

Swamp Rabbit Trail

Loment of 2-5 subrhombic segments, per Vascular Flora of the Carolinas.

image of Desmodium laevigatum

JK Marlow    jkm180918_4795

September    Greenville County    SC

image of Desmodium laevigatum

JK Marlow    jkm180918_4797

September    Greenville County    SC

Loment's upper sutures straight or slightly convex, lower abruptly angled, per Vascular Flora of the Carolinas.


click here to see other plants that look similar to this COMPARE loments of Desmodium species

image of Desmodium laevigatum

JK Marlow    jkm151006_341

October    Greenville County    SC

Swamp Rabbit Trail

image of Desmodium laevigatum

JK Marlow    jkm151006_342

October    Greenville County    SC

Swamp Rabbit Trail