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):
Stylosanthes biflora   FAMILY Fabaceae   Go to FSUS key



SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Stylosanthes biflora   FAMILY Fabaceae

SYNONYMOUS WITH Floristic Synthesis of North America. BONAP (Kartesz, 2021)

Stylosanthes biflora

SYNONYMOUS WITH Native & naturalized Leguminosae (Fabaceae) of the US (Isely, 1998)

Stylosanthes biflora

SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 098-25-001:

Stylosanthes biflora   FAMILY Fabaceae

INCLUDING Manual of the Southeastern Flora (Small, 1933, 1938)

Stylosanthes biflora

INCLUDING Manual of the Southeastern Flora (Small, 1933, 1938)

Stylosanthes riparia

 

COMMON NAME:
Pencil-flower, Sidebeak Pencil-flower


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

image of Stylosanthes biflora, Pencil-flower, Sidebeak Pencil-flower

USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913    pnd_stbi2_001_lvd

        

image of Stylosanthes biflora, Pencil-flower, Sidebeak Pencil-flower

USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913    pnd_stri3_001_lvd

        

image of Stylosanthes biflora, Pencil-flower, Sidebeak Pencil-flower

JK Marlow    jkm0506m_09

June    Union County    SC

Sumter National Forest: Tyger Ranger District

Leaflet tips w a slender nipple or extension, unusual in a legume species, per Vascular Plants of North Carolina.

image of Stylosanthes biflora, Pencil-flower, Sidebeak Pencil-flower

JK Marlow    jkm080607_005

June    Pickens County    SC

Prostrate to erect herb, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).

image of Stylosanthes biflora, Pencil-flower, Sidebeak Pencil-flower

JK Marlow    jkm080607_006

June    Pickens County    SC

Leaflets elliptic to oblanceolate or lanceolate, entire, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).

image of Stylosanthes biflora, Pencil-flower, Sidebeak Pencil-flower

JK Marlow    jkm160611_023

June    Edgefield County    SC

image of Stylosanthes biflora, Pencil-flower, Sidebeak Pencil-flower

JK Marlow    s080607_a

June    Pickens County    SC

One to several 4-16" stems arise from a stout rootstock, per Atlantic Coastal Plain Wildflowers (Nelson, 2006).

image of Stylosanthes biflora, Pencil-flower, Sidebeak Pencil-flower

JK Marlow    jkm190708_9826

July    Greenville County    SC

The large adnate stipules are distinctive, per Weakley's Flora (2012).


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

image of Stylosanthes biflora, Pencil-flower, Sidebeak Pencil-flower

JK Marlow    jkm140822_907

August    Greenville County    SC

Swamp Rabbit Trail

A yellow-orange, 5-petaled, pea-like flower, with a nearly round standard, per Wildflowers of Tennessee, the Ohio Valley, and the Southern Appalachians (Horn, Cathcart, Hemmerly, & Duhl, 2005).

image of Stylosanthes biflora, Pencil-flower, Sidebeak Pencil-flower

JK Marlow    jkm160816_006

August    Oconee County    SC

image of Stylosanthes biflora, Pencil-flower, Sidebeak Pencil-flower

Richard and Teresa Ware    rtw_s_biflora_3

September        

image of Stylosanthes biflora, Pencil-flower, Sidebeak Pencil-flower

JK Marlow    s080920_a

September    Greenville County    SC

Leaves pinnately 3-foliolate, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).


click here to see other plants that look similar to this COMPARE Pencil-flower and Viperina

 

 

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

SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Stylosanthes biflora   FAMILY Fabaceae

SYNONYMOUS WITH Floristic Synthesis of North America. BONAP (Kartesz, 2021)
Stylosanthes biflora

SYNONYMOUS WITH Native & naturalized Leguminosae (Fabaceae) of the US (Isely, 1998)
Stylosanthes biflora

SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 098-25-001:
Stylosanthes biflora   FAMILY Fabaceae

INCLUDING Manual of the Southeastern Flora (Small, 1933, 1938)
Stylosanthes biflora

INCLUDING Manual of the Southeastern Flora (Small, 1933, 1938)
Stylosanthes riparia

 

Find by SCIENTIFIC NAME:

1473

Forb
Perennial

Habitat: Longleaf pine sandhills, dry to moist (but not wet) pine savannas and flatwoods, dry forests, woodlands, woodland borders, glades, barrens, rock outcrops, per Weakley's Flora

Native to the Carolinas & Georgia

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.)

LEAVES:
Odd-pinnately compound: 3 leaflets
Mostly alternate

FLOWER:
Summer
Orange-yellow/Whitish
Bilaterally symmetrical
5-parted papilionaceous corolla
10 monadelphous stamens
Superior ovary

FRUIT:
Summer/Fall
Legume

 

TO LEARN MORE about this plant, look it up in a good book!



 


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