Native & Naturalized Plants of the Carolinas & Georgia


408

Forb
Annual

Non-native: southern Asia
Documented growing wild in GA NC SC

Common (rare in Mountains)

Look for it in fields, roadsides, disturbed areas, per Weakley's Flora

map
To see a detailed map, click here


Invasive?

This plant may be causing problems in natural areas outside its native range, according to authorities such as:

SC Exotic Pest Plant Council, 2014

 

full sun

LEAVES:
Simple
Mostly alternate

FLOWER:
Summer/Fall
Yellow
Bilaterally symmetrical
5-lobed campanulate calyx
5-parted papilionaceous corolla
10 stamens, monadelphous, of 2 lengths
Superior ovary
Flowers in racemes

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 (11/30/12):
Crotalaria spectabilis   FAMILY Fabaceae

SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Crotalaria spectabilis   FAMILY Fabaceae

SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (1968) 098-11-004:
Crotalaria spectabilis   FAMILY Fabaceae

 

COMMON NAME:
Showy Rattlebox


Click or hover over the thumbnails to see larger pictures.

image of Crotalaria spectabilis

JK Marlow    jkm081009_200

October    Dorchester County    SC

McAlhany Nature Preserve

image of Crotalaria spectabilis

JK Marlow    jkm081009_202

October    Dorchester County    SC

McAlhany Nature Preserve

Leaves have short petioles and are smooth above, densely hairy beneath, per Forest Plants of the Southeast and Their Wildlife Uses.

image of Crotalaria spectabilis

JK Marlow    jkm081009_202b

October    Dorchester County    SC

McAlhany Nature Preserve

Legume (pod) cylindric with hairlike tip, appearing inflated, per Forest Plants of the Southeast and Their Wildlife Uses.

image of Crotalaria spectabilis

JK Marlow    jkm081009_207

October    Dorchester County    SC

McAlhany Nature Preserve

image of Crotalaria spectabilis

JK Marlow    jkm161001_064

September    Chesterfield County    SC

Carolina Sandhills National Wildlife Refuge

image of Crotalaria spectabilis

JK Marlow    jkm161001_066

September    Chesterfield County    SC

Carolina Sandhills National Wildlife Refuge

Leaves 2-6" long, obovate, tapering to the base, per Wildflowers of Tennessee, the Ohio Valley, and the Southern Appalachians.

image of Crotalaria spectabilis

JK Marlow    jkm161001_067

September    Chesterfield County    SC

Carolina Sandhills National Wildlife Refuge

Pedicels subtended by a persistent 7-12mm bract & bearing two 1mm bractlets, per Vascular Flora of the Carolinas.

image of Crotalaria spectabilis

John D. Byrd, Mississippi State University, Bugwood.org    bug_1391154

Month Unknown        

Flowers deep yellow, pea-like, borne in a showy many-flowered raceme, per Wildflowers of Tennessee, the Ohio Valley, and the Southern Appalachians.

image of Crotalaria spectabilis

Wendy VanDyk Evans, Bugwood.org    bug_2190030

Month Unknown        

image of Crotalaria spectabilis

Wendy VanDyk Evans, Bugwood.org    bug_2190032

Month Unknown        

Seeds rattle in the inflated ripened pods, per Wildflowers of Tennessee, the Ohio Valley, and the Southern Appalachians.