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
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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

Bruce A. Sorrie    bas_desmo_obtusum1

September    Moore County    NC

Inflorescence usually paniculate. Pedicels 4-17mm long; petals ~ 4-6mm 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_4882

September    McCormick County    SC

Parks Mill

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.

image of Desmodium obtusum, Stiff Tick-trefoil

JK Marlow    jkm180926_5002

September    McCormick County    SC

Parks Mill

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