Native & Naturalized Plants of the Carolinas & Georgia


2971

Forb
Perennial

Native to the Carolinas & Georgia

Documented growing wild in GA NC SC

Common

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

map
To see a detailed map, click here

 

full sun partial shade ...Dry

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 1-3 rounded 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 obtusum   FAMILY Fabaceae

SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Desmodium obtusum   FAMILY Fabaceae

SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (1968) 098-26-015:
Desmodium obtusum   FAMILY Fabaceae

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

 

COMMON NAME:
Stiff Tick-trefoil


Click or hover over the thumbnails to see larger pictures.

image of Desmodium obtusum, Stiff Tick-trefoil

USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913    pnd_meri_001_lvd

        

image of Desmodium obtusum, Stiff Tick-trefoil

JK Marlow    jkm190726_0178

July    Transylvania County    NC

DuPont State Forest

image of Desmodium obtusum, Stiff Tick-trefoil

JK Marlow    jkm190726_0179

July    Transylvania County    NC

DuPont State Forest

Loments similar to D. ciliare & D. marilandicum, with 2-3 rounded segments, per Leguminosae (Fabaceae), vol 3, part 2, Vascular flora of the southeastern United States (Isely, 1990).


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

image of Desmodium obtusum, Stiff Tick-trefoil

JK Marlow    jkm190726_0186

July    Transylvania County    NC

DuPont State Forest

Petioles of median leaves usually shorter than width of lateral leaflets, per Vascular Flora of the Carolinas.

image of Desmodium obtusum, Stiff Tick-trefoil

JK Marlow    jkm190726_0189

July    Transylvania County    NC

DuPont State Forest

image of Desmodium obtusum, Stiff Tick-trefoil

JK Marlow    jkm190726_0253

July    Transylvania County    NC

DuPont State Forest

image of Desmodium obtusum, Stiff Tick-trefoil

JK Marlow    jkm190726_0258

July    Transylvania County    NC

DuPont State Forest

image of Desmodium obtusum, Stiff Tick-trefoil

JK Marlow    jkm190726_0275

July    Transylvania County    NC

DuPont State Forest

image of Desmodium obtusum, Stiff Tick-trefoil

JK Marlow    jkm190825_0941

August    Transylvania County    NC

DuPont State Forest

The terminal leaflet is usually elongate, per Native and Naturalized Leguminosae (Fabaceae) of the United States (Isely, 1998).

image of Desmodium obtusum, Stiff Tick-trefoil

JK Marlow    jkm190825_0943

August    Transylvania County    NC

DuPont State Forest

image of Desmodium obtusum, Stiff Tick-trefoil

JK Marlow    jkm190825_0952

August    Transylvania County    NC

DuPont State Forest

Corolla pink-purple (-white), 4.5-6mm long, per Leguminosae (Fabaceae), vol 3, part 2, Vascular flora of the southeastern United States (Isely, 1990).

image of Desmodium obtusum, Stiff Tick-trefoil

JK Marlow    jkm190825_0953

August    Transylvania County    NC

DuPont State Forest

image of Desmodium obtusum, Stiff Tick-trefoil

JK Marlow    jkm190825_0955

August    Transylvania County    NC

DuPont State Forest

image of Desmodium obtusum, Stiff Tick-trefoil

Bruce A. Sorrie    bas_desmo_obtusum1

September    Moore County    NC

Inflorescence usually paniculate. Pedicels 4-17mm long, per Vascular Flora of the Carolinas.


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

image of Desmodium obtusum, Stiff Tick-trefoil

JK Marlow    jkm180924_4884

September    McCormick County    SC

Parks Mill

Stems and petioles densely uncinate-pubescent, per Vascular Flora of the Carolinas.

image of Desmodium obtusum, Stiff Tick-trefoil

JK Marlow    jkm180924_4887

September    McCormick County    SC

Parks Mill

Leaflets sparsely to densely short-pubescent and reticulate below, per Vascular Flora of the Carolinas.