OF THE CAROLINAS & GEORGIA

Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Asterids: Lamiids: Gentianales

WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Cephalanthus occidentalis   FAMILY Rubiaceae   Go to FSUS key


SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Cephalanthus occidentalis   FAMILY Rubiaceae

SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 173-02-001:
Cephalanthus occidentalis   FAMILY Rubiaceae

SYNONYMOUS WITH Manual of the Southeastern Flora (Small, 1933, 1938)
Cephalanthus occidentalis

 

COMMON NAME:
Buttonbush


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

image of Cephalanthus occidentalis, Buttonbush

USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913    pnd_ceoc2_001_lvd

        

image of Cephalanthus occidentalis, Buttonbush

USDA-NRCS PLANTS Database / US Forest Service    pnd_ceoc2_005_lvd

        

image of Cephalanthus occidentalis, Buttonbush

USDA-NRCS PLANTS Database / USDA Wetland flora: Field office illustrated guide    pnd_ceoc2_009_lvd

        

image of Cephalanthus occidentalis, Buttonbush

JK Marlow    jkm070328_012

March    Greenville County    SC

Fruit a globular head of seed superficially similar to small sycamore fruit, per Woody Plants of the Southeastern US: A Winter Guide.

image of Cephalanthus occidentalis, Buttonbush

JK Marlow    jkm160416_236

April    Lowndes County    GA

Rubiaceae is distinctive in that the stipules of opposite leaves are connate, per Plant Systematics.

image of Cephalanthus occidentalis, Buttonbush

JK Marlow    jkm150529_118

May    Spartanburg County    SC

image of Cephalanthus occidentalis, Buttonbush

JK Marlow    jkm0506k_04b

June    Union County    SC

Sumter National Forest: Tyger Ranger District

Leaves ovate to elliptic, tips cuspidate or acute, margins entire, per Vascular Flora of the Carolinas.

image of Cephalanthus occidentalis, Buttonbush

JK Marlow    jkm0506k_04c

June    Union County    SC

Sumter National Forest: Tyger Ranger District

image of Cephalanthus occidentalis, Buttonbush

JK Marlow    jkm0506k_20

June    Union County    SC

Sumter National Forest: Tyger Ranger District

A large coarse wetland shrub, per Atlantic Coastal Plain Wildflowers.

image of Cephalanthus occidentalis, Buttonbush

JK Marlow    jkm0506k_25

June    Union County    SC

Sumter National Forest: Tyger Ranger District

image of Cephalanthus occidentalis, Buttonbush

JK Marlow    jkm130628_319

June    Cherokee County    NC

Murphy River Walk

Numerous sessile flowers radiating in dense spherical heads, per Forest Plants of the Southeast and Their Wildlife Uses.

image of Cephalanthus occidentalis, Buttonbush

JK Marlow    jkm130628_319b

June    Cherokee County    NC

Murphy River Walk

Small tubular flowers with protruding styles in dense pincushion-like heads, per Wildflowers & Plant Communities of the Southern Appalachian Mountains and Piedmont.

image of Cephalanthus occidentalis, Buttonbush

JK Marlow    jkm190604_8895

June    Greenville County    SC

Tall Pines Wildlife Management Area

Leaves opposite or whorled 3-4 to the node & up to about 7" long x 4" wide, per Atlantic Coastal Plain Wildflowers.

image of Cephalanthus occidentalis, Buttonbush

Richard and Teresa Ware    rtw_c_occidentalis_5

July        

image of Cephalanthus occidentalis, Buttonbush

Gill Newberry    gn08_c_occidentallis_bran

August        

image of Cephalanthus occidentalis, Buttonbush

JK Marlow    jkm210818_2852

August    Greenville County    SC

Tall Pines Wildlife Management Area

image of Cephalanthus occidentalis, Buttonbush

Stephanie C. Brundage    scb_080221hayesville07

August    Clay County    NC

Clay County Native Botanical Garden

image of Cephalanthus occidentalis, Buttonbush

JK Marlow    jkm0509g_04

September    Cabarrus County    NC

Suther Prairie

image of Cephalanthus occidentalis, Buttonbush

JK Marlow    jkm0509g_13

September    Cabarrus County    NC

Suther Prairie

Fruit a dense head of nutlets, reddish-brown, persisting through the winter, per Wildflowers & Plant Communities of the Southern Appalachian Mountains and Piedmont.

image of Cephalanthus occidentalis, Buttonbush

Richard and Teresa Ware    rtw_c_occidentalis_button

Month Unknown    DeKalb County    AL

Little River Canyon

Admired in Europe, but largely unappreciated in the southeast US, per Native Shrubs and Woody Vines of the Southeast.

 

WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Cephalanthus occidentalis   FAMILY Rubiaceae

SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Cephalanthus occidentalis   FAMILY Rubiaceae

SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 173-02-001:
Cephalanthus occidentalis   FAMILY Rubiaceae

SYNONYMOUS WITH Manual of the Southeastern Flora (Small, 1933, 1938)
Cephalanthus occidentalis

 

Find by SCIENTIFIC NAME:

301

Semi-aquatic shrub
Perennial

Native to the Carolinas & Georgia

Common

Habitat: Streambanks, riverbanks, depressional wetlands, lakes, marshes, often in standing water, per Weakley's Flora

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:
Deciduous
Simple
Opposite or whorled
Margins entire

FLOWER:
Summer
White
Bisexual
Radially symmetrical
4-lobed calyx, crowded & indistinct
4-lobed tubular corolla
4 stamens

FRUIT:
Summer/Fall
Reddish/Greenish/Brown
Nutlet

 

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



 


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