Native & Naturalized Plants of the Carolinas & Georgia


1470

Herbaceous vine
Annual

Native to the Carolinas & Georgia
Documented growing wild in GA NC SC

Common

Look for it on coastal dunes, beaches, dry sandy woodlands, disturbed areas, per Weakley's Flora

map
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full sun ...Dry

LEAVES:
Pinnately compound: 3 leaflets
Mostly alternate
Leaves have petioles.

FLOWER:
Summer/Fall
Rose/ Purplish
Bilaterally symmetrical
2-lipped 5-lobed campanulate calyx (upper lobes united, so it appears 4-lobed)
5-parted papilionaceous corolla
10 stamens, diadelphous, 9 and 1
Superior ovary
Flowers in axillary 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):
Strophostyles helvola   FAMILY Fabaceae

(?) PLANTS NATIONAL DATABASE:
Strophostyles helvola   FAMILY Fabaceae

SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (1968) 098-46-001:
Strophostyles helvola   FAMILY Fabaceae

SYNONYMOUS WITH (ORTHOGRAPHIC VARIANT) Synthesis of the North American Flora (Kartesz, 1999)
Strophostyles helvula

 

COMMON NAME:
Annual Sand Bean, Beach Pea, Trailing Wild Bean


Click or hover over the thumbnails to see larger pictures.

image of Strophostyles helvola

USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913    pnd_sthe4_001_lvd

        

image of Strophostyles helvola

USDA-NRCS PLANTS Database / USDA Wetland flora: Field office illustrated guide    pnd_sthe9_001_lvd

        

image of Strophostyles helvola

JK Marlow    jkm140831_175

August    Greenville County    SC

Swamp Rabbit Trail

image of Strophostyles helvola

JK Marlow    jkm180814_3770

August    McCormick County    SC

Parks Mill

image of Strophostyles helvola

Roxanna Martin    rlm82209_156b

August    Spartanburg County    SC

Critter.

image of Strophostyles helvola

Roxanna Martin    rlm82510_36

August    Spartanburg County    SC

Legume (3.5)5-10cm long, 5-8mm broad, sparsely appressed-pubescent, per Vascular Flora of the Carolinas.

image of Strophostyles helvola

Roxanna Martin    rlm82510_38

August    Spartanburg County    SC

Keel w a distinctly curved, slender beak projected away from the standard, per Phylogenetic Systematics of Strophostyles (Fabaceae) (Riley-Hulting, 2004).

image of Strophostyles helvola

Roxanna Martin    rlm82708_091

August    Spartanburg County    SC

Leaflets usually prominently 3-lobed; terminal leaflet 2.5-3.5cm wide, per Weakley's Flora.


click here to see other plants that look similar to this COMPARE leaves that are trifoliolate and pinnately compound

image of Strophostyles helvola

JK Marlow    jkm100903_601

September    Greenville County    SC

Swamp Rabbit Trail

Leaflets usually have one or two lateral lobes, per Wildflowers of Tennessee.

image of Strophostyles helvola

JK Marlow    jkm100903_604

September    Greenville County    SC

Swamp Rabbit Trail

Stems glabrous to spreading-pilose, per Vascular Flora of the Carolinas.

image of Strophostyles helvola

JK Marlow    jkm180913_4704

September    Greenville County    SC

Flowers of this genus have a keel strongly curved upward forming a beak, per Wildflowers of the Southern Mountains.

image of Strophostyles helvola

JK Marlow    jkm180913_4708

September    Greenville County    SC

image of Strophostyles helvola

JK Marlow    jkm180914_4724

September    Greenville County    SC

image of Strophostyles helvola

JK Marlow    jkm180914_4726

September    Greenville County    SC

Leaflets have petiolules and stipels, per Vascular Flora of the Carolinas.

image of Strophostyles helvola

JK Marlow    jkm180914_4730

September    Greenville County    SC

Bracteoles (immediately subtending calyx) equal or exceed the calyx tube, per Weakley's Flora.

image of Strophostyles helvola

Roxanna Martin    rlm9410_364

September    Spartanburg County    SC

Petals roseate to purplish, often turning greenish, per Vascular Flora of the Carolinas.

image of Strophostyles helvola

Roxanna Martin    rlm10811_171

October    Spartanburg County    SC

Leaflets ovate or rhombic-ovate to ovate-oblong or commonly 3-lobed, per Vascular Flora of the Carolinas.