OF THE CAROLINAS & GEORGIA

Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Rosids: Fabids: Fabales

WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Robinia pseudoacacia   FAMILY Fabaceae   Go to FSUS key



SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Robinia pseudoacacia   FAMILY Fabaceae

SYNONYMOUS WITH Floristic Synthesis of North America. BONAP (Kartesz, 2015)

Robinia pseudoacacia

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

Robinia pseudoacacia

SYNONYMOUS WITH (ORTHOGRAPHIC VARIANT) VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 098-32-001:

Robinia pseudo-acacia   FAMILY Fabaceae

SYNONYMOUS WITH (ORTHOGRAPHIC VARIANT) Manual of the Southeastern Flora (Small, 1933, 1938)

Robinia pseudo-acacia

 

COMMON NAME:
Black Locust


         To see larger pictures, click or hover over the thumbnails.

image of Robinia pseudoacacia, Black Locust

Trees You Want to Know (Peattie, 1934); illustration by F.A. Michaux    dcp34_p40a

        

image of Robinia pseudoacacia, Black Locust

Manual of the Trees of North America (Exclusive of Mexico) (Sargent, 1905)    mtna_i_655

        

image of Robinia pseudoacacia, Black Locust

USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913    pnd_rops_001_lvd

        

image of Robinia pseudoacacia, Black Locust

USDA-NRCS PLANTS Database / US Forest Service    pnd_rops_004_lvd

        

image of Robinia pseudoacacia, Black Locust

USDA-NRCS PLANTS Database / US Forest Service    pnd_rops_005_lhd

        

image of Robinia pseudoacacia, Black Locust

JK Marlow    jkm0402c_13

February    Rutherford County    NC

Chimney Rock Park

Bark gray to light brown and deeply furrowed, per Woody Plants of the Southeastern US: A Winter Guide (Lance, 2004).

image of Robinia pseudoacacia, Black Locust

JK Marlow    jkm0304v_08

April    Rutherford County    NC

Roadside

image of Robinia pseudoacacia, Black Locust

JK Marlow    jkm0404zc_21

April    Greenville County    SC

Roadside

image of Robinia pseudoacacia, Black Locust

Roxanna Martin    rlm41711_38

April    Spartanburg County    SC

Petals white except for the yellow patch on standard, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).

image of Robinia pseudoacacia, Black Locust

Roxanna Martin    rlm42110_024

April    Spartanburg County    SC

Fragrant white flowers appear after leaves & dangle in racemes 4-6" long, per Native Trees of the Southeast, An Identification Guide (Kirkman, Brown, & Leopold, 2007).

image of Robinia pseudoacacia, Black Locust

JK Marlow    s040429_c

April    Greenville County    SC

Roadside

Leaflets 7-19, elliptic to oblong-ovate or ovate, 2-5cm long, 1-2cm wide, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).


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

image of Robinia pseudoacacia, Black Locust

JK Marlow    jkm0305n_28

May    Jackson County    NC

Roadside

Black Locust is the most likely tree-sized Robinia to be encountered, per Trees of the Southeastern United States (Duncan & Duncan, 1988).

image of Robinia pseudoacacia, Black Locust

JK Marlow    jkm0305n_31

May    Jackson County    NC

Roadside

image of Robinia pseudoacacia, Black Locust

JK Marlow    jkm0405p_20

May    Polk County    NC

Roadside

image of Robinia pseudoacacia, Black Locust

Richard and Teresa Ware    rtw_r_pseudoacacia_c

May        

image of Robinia pseudoacacia, Black Locust

JK Marlow    jkm0407g_21

July    Transylvania County    NC

Blue Ridge Parkway

Spines often present, per Woody Plants of the Blue Ridge (Lance).

image of Robinia pseudoacacia, Black Locust

JK Marlow    jkm0507e_21

July    Fayette County    WV

Hawks Nest State Park

image of Robinia pseudoacacia, Black Locust

JK Marlow    jkm060712_024

July    Raleigh County    WV

Grandview State Park

image of Robinia pseudoacacia, Black Locust

JK Marlow    jkm070715_007

July    Greenville County    SC

Roadside

image of Robinia pseudoacacia, Black Locust

JK Marlow    jkm140704_679

July    Jackson County    NC

image of Robinia pseudoacacia, Black Locust

JK Marlow    jkm140816_635

August    Jackson County    NC

High Hampton Inn

image of Robinia pseudoacacia, Black Locust

Richard and Teresa Ware    rtw_r_pseudoacacia_2

August        

 

 

WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Robinia pseudoacacia   FAMILY Fabaceae

SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Robinia pseudoacacia   FAMILY Fabaceae

SYNONYMOUS WITH Floristic Synthesis of North America. BONAP (Kartesz, 2015)
Robinia pseudoacacia

SYNONYMOUS WITH Robinia (Leguminosae: Papilionoideae) (Isely & Peabody, 1984)
Robinia pseudoacacia

SYNONYMOUS WITH (ORTHOGRAPHIC VARIANT) VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 098-32-001:
Robinia pseudo-acacia   FAMILY Fabaceae

SYNONYMOUS WITH (ORTHOGRAPHIC VARIANT) Manual of the Southeastern Flora (Small, 1933, 1938)
Robinia pseudo-acacia

 

Find by SCIENTIFIC NAME:

1252

Tree
Perennial

Habitat: forests, woodlands, disturbed areas, roadcuts, per Weakley's Flora

Native to the Mountains of the Carolinas & Georgia, and to the GA Piedmont

Common

map
CLICK HERE to see a map, notes, and images from Weakley's Flora of the Southeastern US.

Click here to see a map showing all occurrences known to SERNEC, a consortium of southeastern herbaria. (Zoom in to see more detail.)

IS THE PLANT "ARMED"?
Stems of juvenile plants usually armed with paired stipular or nodal spines

LEAVES:
Deciduous
Odd-pinnately compound: 7-19 leaflets
Mostly alternate

FLOWER:
Spring/Summer
White (with a yellow spot on the standard)
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!



 


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