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

JK Marlow    jkm180515_2232

May    Spartanburg County    SC

Roadside

image of Robinia viscosa

JK Marlow    jkm180515_2234

May    Spartanburg County    SC

Roadside

image of Robinia viscosa

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

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

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

JK Marlow    jkm180515_2255

May    Spartanburg County    SC

Roadside

image of Robinia viscosa

JK Marlow    jkm180515_2258

May    Spartanburg County    SC

Roadside

image of Robinia viscosa

JK Marlow    jkm180515_2259

May    Spartanburg County    SC

Roadside

image of Robinia viscosa

JK Marlow    jkm180515_2262

May    Spartanburg County    SC

Roadside

image of Robinia viscosa

JK Marlow    jkm180515_2267

May    Spartanburg County    SC

Roadside

image of Robinia viscosa

JK Marlow    jkm180515_2270

May    Spartanburg County    SC

Roadside

image of Robinia viscosa

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

Ron Lance    rwl_viscosa_var_viscosa

May?        

image of Robinia viscosa

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

Ron Lance    rwl_viscosa_var_viscosa_3

May?        

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

image of Robinia viscosa

Ron Lance    rwl_viscosa_viscosa_twig

July        

image of Robinia viscosa

Terry Holdsclaw    tdh_robinia_viscosa

July    Catawba County    NC