OF THE CAROLINAS & GEORGIA

Monilophytes (ferns): Ophioglossoid Ferns (eusporangiate ferns): Ophioglossales

WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Sceptridium biternatum   FAMILY Ophioglossaceae   Go to FSUS key



SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Botrychium biternatum   FAMILY Ophioglossaceae

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

Sceptridium biternatum

SYNONYMOUS WITH Flora of North America

Botrychium biternatum

SYNONYMOUS WITH The Ferns and Lycophytes of Texas (Diggs & Lipscomb, 2014)

Botrychium biternatum

INCLUDED WITHIN Guide to the Vascular Plants of Florida (Wunderlin & Hansen, 2003)

Botrychium dissectum

SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 006-01-004:

Botrychium biternatum   FAMILY Ophioglossaceae

SYNONYMOUS WITH Ferns of the Southeastern States (Small, 1938)

Botrychium biternatum

 

COMMON NAME:
Southern Grapefern


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

image of Sceptridium biternatum, Southern Grapefern

JK Marlow    jkm150822_840

August    Oconee County    SC

Brasstown Creek Heritage Preserve

Sterile blade mostly 2-pinnate, the segments sharply serrulate, per Weakley's Flora.

image of Sceptridium biternatum, Southern Grapefern

JK Marlow    jkm150822_840b

August    Oconee County    SC

Brasstown Creek Heritage Preserve

Marginal teeth finer and more uniform than in B. dissectum, per The Ferns and Lycophytes of Texas (Diggs & Lipscomb, 2014).

image of Sceptridium biternatum, Southern Grapefern

Rusty Wilson    fkw_grapefern_1

September    Greenwood County    SC

Ninety Six National Historic Site

Fertile stalk arising near base of stipe or sometimes below ground level, per Field Guide to the Ferns and Other Pteridophytes of Georgia (Snyder & Bruce, 1986).

image of Sceptridium biternatum, Southern Grapefern

Rusty Wilson    fkw_grapefern_4

September    Greenwood County    SC

Ninety Six National Historic Site

Sporangia on branching segments at upper end of the fertile stalk, per Field Guide to the Ferns and Other Pteridophytes of Georgia (Snyder & Bruce, 1986).

image of Sceptridium biternatum, Southern Grapefern

Rusty Wilson    fkw_grapefern_6

September    Greenwood County    SC

Ninety Six National Historic Site

image of Sceptridium biternatum, Southern Grapefern

JK Marlow    jkm0309u_04

September    Greenville County    SC

Blade composed of a sterile portion & an erect fertile ...panicle, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).

image of Sceptridium biternatum, Southern Grapefern

JK Marlow    jkm0310f_24

October    Greenville County    SC

image of Sceptridium biternatum, Southern Grapefern

JK Marlow    jkm0310f_27

October    Greenville County    SC

Sporangia sessile, around 1mm in diameter, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).

image of Sceptridium biternatum, Southern Grapefern

JK Marlow    jkm0310f_31

October    Greenville County    SC

image of Sceptridium biternatum, Southern Grapefern

Patrick D. McMillan    pdmb_biternatum

October        

Leaves usually one per season, sometimes more, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).

 

 

WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Sceptridium biternatum   FAMILY Ophioglossaceae

SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Botrychium biternatum   FAMILY Ophioglossaceae

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

SYNONYMOUS WITH Flora of North America
Botrychium biternatum

SYNONYMOUS WITH The Ferns and Lycophytes of Texas (Diggs & Lipscomb, 2014)
Botrychium biternatum

INCLUDED WITHIN Guide to the Vascular Plants of Florida (Wunderlin & Hansen, 2003)
Botrychium dissectum

SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 006-01-004:
Botrychium biternatum   FAMILY Ophioglossaceae

SYNONYMOUS WITH Ferns of the Southeastern States (Small, 1938)
Botrychium biternatum

 

Find by SCIENTIFIC NAME:

217

Fern/Fern ally
Perennial

Habitat: Moist forests, clearings, old fields, per Weakley's Flora

Native to the Carolinas & Georgia

Common (rare in NC Coastal Plain)

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

LEAVES:
Evergreen
Leaf consists of a mostly 2-pinnate sterile blade & a fertile panicle

FRUIT:
Summer/Fall

 

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



 


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