Native & Naturalized Plants of the Carolinas & Georgia


2188

Shrub
Perennial

Native to the Carolinas
Documented growing wild in - NC SC

Rare, endemic to near Highlands, NC, and apparently disjunct in SC Sandhills

Look for it in forests and outcrop edges on high elevation granitic domes, also clearings, per Weakley's Flora

map
To see a detailed map, click here

 

LEAVES:
Deciduous
Odd-pinnately compound: 13-21 leaflets (usually)
Mostly alternate

FLOWER:
Summer
Pale pink/ Whitish
Bilaterally symmetrical
2-lipped campanulate calyx
5-parted papilionaceous corolla
Superior ovary

FRUIT:
Summer/Fall
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 hartwigii   FAMILY Fabaceae

SYNONYMOUS WITH (ORTHOGRAPHIC VARIANT) PLANTS NATIONAL DATABASE:
Robinia viscosa var. hartwegii   FAMILY Fabaceae

SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (1968) 098-32-003:
Robinia hartwigii   FAMILY Fabaceae

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

 

COMMON NAME:
Granite Dome Locust, Highlands Locust, Hartwig's Locust


Click or hover over the thumbnails to see larger pictures.

image of Robinia hartwigii

Ron Lance    rwl_viscosa_hartwegii_3

May        

Racemes with short-stalked glandular trichomes; petals roseate or whitish, per Vascular Flora of the Carolinas.


click here to see other plants that look similar to this COMPARE flowers of pink-flowering Locust species

image of Robinia hartwigii

Ron Lance    rwl_viscosa_var_hartwegii

May        

image of Robinia hartwigii

JK Marlow    jkm140607_523

June    Jackson County    NC

Whiteside Mountain

Leaflets usually 13-21, plants never with long, hispid pubescence, per Weakley's Flora.


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

image of Robinia hartwigii

JK Marlow    jkm140607_526

June    Jackson County    NC

Whiteside Mountain

Var. hartwigii is locally abundant on Whiteside mountain in North Carolina, per Robinia (Leguminosae: Papilionoideae) (Isely & Peabody, 1984).

image of Robinia hartwigii

JK Marlow    jkm140704_575

July    Jackson County    NC

Whiteside Mountain

Branches and branchlets bearing viscid glands elevated on short trichomes, per Revision of the genus Robinia (Leguminosae: Papilionoideae) (Peabody, 1984).

image of Robinia hartwigii

JK Marlow    jkm150814_734

August    Jackson County    NC

Whiteside Mountain

Var. hartwigii is shrubby in habit and sets abundant fruit up to 12cm long, per Revision of the genus Robinia (Leguminosae: Papilionoideae) (Peabody, 1984).

image of Robinia hartwigii

JK Marlow    jkm150814_734b

August    Jackson County    NC

Whiteside Mountain

Var. hartwigii is a little known, prolifically fruiting form of R. viscosa, per Robinia (Leguminosae: Papilionoideae) (Isely & Peabody, 1984).

image of Robinia hartwigii

JK Marlow    jkm150814_739

August    Jackson County    NC

Whiteside Mountain

Short glandular pubescence [vs. var. viscosa's sessile or bump-like glands], per Robinia (Leguminosae: Papilionoideae) (Isely & Peabody, 1984).

image of Robinia hartwigii

JK Marlow    jkm180821_4048

August    Jackson County    NC

Whiteside Mountain