OF THE CAROLINAS & GEORGIA

Monilophytes (ferns): Leptosporangiate Ferns (true ferns): Polypodiales

WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Macrothelypteris torresiana   FAMILY Thelypteridaceae   Go to FSUS key



SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Macrothelypteris torresiana   FAMILY Thelypteridaceae

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

Macrothelypteris torresiana

SYNONYMOUS WITH Flora of North America

Macrothelypteris torresiana

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

Macrothelypteris torresiana

SYNONYMOUS WITH Manual of the Vascular Plants of Texas (Correll & Johnston, 1970)

Thelypteris torresiana

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

Dryopteris setigera

 

COMMON NAME:
Mariana Maiden-fern, Swordfern, False Maiden-fern


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

image of Macrothelypteris torresiana, Mariana Maiden-fern, Swordfern, False Maiden-fern

JK Marlow    jkm180529_2510

May    Greenville County    SC

image of Macrothelypteris torresiana, Mariana Maiden-fern, Swordfern, False Maiden-fern

JK Marlow    jkm160612_043

June    McCormick County    SC

Petiole in cross section, after a day drying in the plant press.

image of Macrothelypteris torresiana, Mariana Maiden-fern, Swordfern, False Maiden-fern

JK Marlow    jkm160612_053

June    McCormick County    SC

image of Macrothelypteris torresiana, Mariana Maiden-fern, Swordfern, False Maiden-fern

Steve Marlow    snm160612_073

June    McCormick County    SC

Petiole in cross section with 2 crescent-shaped vascular bundles at base, per Flora of North America.

image of Macrothelypteris torresiana, Mariana Maiden-fern, Swordfern, False Maiden-fern

Steve Marlow    snm160612_081

June    McCormick County    SC

image of Macrothelypteris torresiana, Mariana Maiden-fern, Swordfern, False Maiden-fern

JK Marlow    jkm140701_533

July    Greenville County    SC

Swamp Rabbit Trail

image of Macrothelypteris torresiana, Mariana Maiden-fern, Swordfern, False Maiden-fern

JK Marlow    jkm140710_705

July    Greenville County    SC

Cleveland Park

Blade covered w needlelike hairs, per Field Guide to the Ferns and Other Pteridophytes of Georgia (Snyder & Bruce, 1986).

image of Macrothelypteris torresiana, Mariana Maiden-fern, Swordfern, False Maiden-fern

JK Marlow    jkm140710_708

July    Greenville County    SC

Cleveland Park

Pinnae with long tapering apex. Numerous circular sori, in rows, per Field Guide to the Ferns and Other Pteridophytes of Georgia (Snyder & Bruce, 1986).

image of Macrothelypteris torresiana, Mariana Maiden-fern, Swordfern, False Maiden-fern

JK Marlow    jkm180803_3633

July    Greenville County    SC

image of Macrothelypteris torresiana, Mariana Maiden-fern, Swordfern, False Maiden-fern

JK Marlow    jkm140809_463

August    Greenville County    SC

Lake Conestee Nature Park

image of Macrothelypteris torresiana, Mariana Maiden-fern, Swordfern, False Maiden-fern

JK Marlow    jkm140809_463b

August    Greenville County    SC

Lake Conestee Nature Park

image of Macrothelypteris torresiana, Mariana Maiden-fern, Swordfern, False Maiden-fern

JK Marlow    jkm140809_483

August    Greenville County    SC

Lake Conestee Nature Park

image of Macrothelypteris torresiana, Mariana Maiden-fern, Swordfern, False Maiden-fern

JK Marlow    jkm210819_2934

August    Greenville County    SC

Roadside ditch

image of Macrothelypteris torresiana, Mariana Maiden-fern, Swordfern, False Maiden-fern

L.L. (Chick) Gaddy    llg_20170810_143437

August    Charleston County    SC

Francis Marion National Forest

image of Macrothelypteris torresiana, Mariana Maiden-fern, Swordfern, False Maiden-fern

JK Marlow    jkm220927_0063

September    Greenville County    SC

Chestnut Ridge Heritage Preserve

image of Macrothelypteris torresiana, Mariana Maiden-fern, Swordfern, False Maiden-fern

JK Marlow    jkm220927_0065

September    Greenville County    SC

Chestnut Ridge Heritage Preserve

image of Macrothelypteris torresiana, Mariana Maiden-fern, Swordfern, False Maiden-fern

JK Marlow    jkm141030_426

October    Greenville County    SC

image of Macrothelypteris torresiana, Mariana Maiden-fern, Swordfern, False Maiden-fern

Marian StClair    msc_9723

October    Greenville County    SC

Fronds 60-125cm long. Blade broadly triangular, per Field Guide to the Ferns and Other Pteridophytes of Georgia (Snyder & Bruce, 1986).

 

 

WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Macrothelypteris torresiana   FAMILY Thelypteridaceae

SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Macrothelypteris torresiana   FAMILY Thelypteridaceae

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

SYNONYMOUS WITH Flora of North America
Macrothelypteris torresiana

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

SYNONYMOUS WITH Manual of the Vascular Plants of Texas (Correll & Johnston, 1970)
Thelypteris torresiana

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

 

Find by SCIENTIFIC NAME:

2244

Fern/Fern ally
Perennial

Habitat: Wet hammocks, cypress swamps, streamsides, moist forests, disturbed areas, increasingly invasive in natural habitats (especially in the southern parts of our area), per Weakley's Flora

Non-native: Asian & African tropics

Uncommon (rare in NC) (rare in SC Mountains)

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


Invasive?

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

 

LEAVES:
Evergreen in Deep South/ Deciduous as it moves north?
2-pinnate-pinnatifid

FRUIT:
Winter/Spring/Summer/Fall

 

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



 


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