Native & Naturalized Plants of the Carolinas & Georgia


1253

Shrub; Tree
Perennial

Native to North Carolina & Georgia

Documented growing wild in GA NC -

Rare, originally endemic to c&s Appalachians, now widely naturalized

Look for it mountain forests and woodlands, roadsides, disturbed areas, per Weakley's Flora

map
To see a detailed map, click here

 

LEAVES:
Deciduous
Odd-pinnately compound: 11-27 leaflets
Mostly alternate

FLOWER:
Spring/Summer
Pale pink/ Whitish (with a yellow spot on the standard)
Bilaterally symmetrical
2-lipped campanulate calyx
5-parted papilionaceous corolla
Superior ovary

FRUIT:
Summer
Legume

 

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 (5/21/15):
Robinia viscosa   FAMILY Fabaceae

SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Robinia viscosa var. viscosa   FAMILY Fabaceae

SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (1968) 098-32-002:
Robinia viscosa   FAMILY Fabaceae

SYNONYMOUS WITH Robinia (Leguminosae: Papilionoideae) (Isely & Peabody, 1984)
Robinia viscosa var. viscosa

 

COMMON NAME:
Clammy Locust


Click or hover over the thumbnails to see larger pictures.

image of Robinia viscosa, Clammy Locust

JK Marlow    jkm180515_2232

May    Spartanburg County    SC

Roadside

image of Robinia viscosa, Clammy Locust

JK Marlow    jkm180515_2234

May    Spartanburg County    SC

Roadside

image of Robinia viscosa, Clammy Locust

JK Marlow    jkm180515_2238

May    Spartanburg County    SC

Roadside

Branches and peduncles with sessile or subsessile, viscid, "clammy" glands, per Vascular Flora of the Carolinas.

image of Robinia viscosa, Clammy Locust

JK Marlow    jkm180515_2246

May    Spartanburg County    SC

Roadside

Branches sticky to touch; var. viscosa with treelike habit & low fruit set, per Revision of the genus Robinia (Leguminosae: Papilionoideae) (Peabody, 1984).

image of Robinia viscosa, Clammy Locust

JK Marlow    jkm180515_2249

May    Spartanburg County    SC

Roadside

Usually 13-21 leaflets [vs. R. hispida usually 9-13], per Robinia (Leguminosae: Papilionoideae) (Isely & Peabody, 1984).

image of Robinia viscosa, Clammy Locust

JK Marlow    jkm180515_2255

May    Spartanburg County    SC

Roadside

image of Robinia viscosa, Clammy Locust

JK Marlow    jkm180515_2258

May    Spartanburg County    SC

Roadside

image of Robinia viscosa, Clammy Locust

JK Marlow    jkm180515_2259

May    Spartanburg County    SC

Roadside

image of Robinia viscosa, Clammy Locust

JK Marlow    jkm180515_2262

May    Spartanburg County    SC

Roadside

image of Robinia viscosa, Clammy Locust

JK Marlow    jkm180515_2267

May    Spartanburg County    SC

Roadside

image of Robinia viscosa, Clammy Locust

JK Marlow    jkm180515_2270

May    Spartanburg County    SC

Roadside

image of Robinia viscosa, Clammy Locust

Sam Pratt    sbp_dscf3748

May    Spartanburg County    SC

Roadside

Somewhat of a mystery how these plants came to be where they are...

image of Robinia viscosa, Clammy Locust

Ron Lance    rwl_viscosa_var_viscosa

May?        

image of Robinia viscosa, Clammy Locust

Ron Lance    rwl_viscosa_var_viscosa_2

May?        

Leaflets glabrate above, usually persistently appressed-villous beneath, per Robinia (Leguminosae: Papilionoideae) (Isely & Peabody, 1984).


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

image of Robinia viscosa, Clammy Locust

Ron Lance    rwl_viscosa_var_viscosa_3

May?        

Racemes sometimes with some glandular pubescence, per Weakley's Flora.

image of Robinia viscosa, Clammy Locust

Ron Lance    rwl_viscosa_viscosa_twig

July        

image of Robinia viscosa, Clammy Locust

Terry Holdsclaw    tdh_robinia_viscosa

July    Catawba County    NC