OF THE CAROLINAS & GEORGIA

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

WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/14/23):
Osmundastrum cinnamomeum   FAMILY Osmundaceae   Go to FSUS key



INCLUDING PLANTS NATIONAL DATABASE:
Osmunda cinnamomea var. cinnamomea   FAMILY Osmundaceae

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

Osmundastrum cinnamomeum var. cinnamomeum

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

Osmundastrum cinnamomeum var. glandulosum

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

Osmundastrum cinnamomeum

INCLUDING Floristic Synthesis of North America (Kartesz, 1999)

Osmunda cinnamomea var. cinnamomea

INCLUDING Floristic Synthesis of North America (Kartesz, 1999)

Osmunda cinnamomea var. glandulosa

SYNONYMOUS WITH Flora of North America north of Mexico, vol. 2 (1993)

Osmunda cinnamomea

SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 007-01-001:

Osmunda cinnamomea   FAMILY Osmundaceae

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

Osmunda cinnamomea

 

COMMON NAME:
Cinnamon Fern


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

image of Osmundastrum cinnamomeum, Cinnamon Fern

Alan S. Weakley    asw_238806448549786

April    Orange County    NC

North Carolina Botanical Garden

image of Osmundastrum cinnamomeum, Cinnamon Fern

Emily B. Sessa    ebsocinnamomea_8596

April        

Fiddleheads' silvery-white hairs turn cinnamon-brown as frond expand, per Peterson Field Guide to Ferns of Northeastern and Central North America.

image of Osmundastrum cinnamomeum, Cinnamon Fern

Jim Fanning    jcf_cinnamonfern

April    Pickens County    SC

SC Botanical Garden

Sterile fronds 20-60" long or more, mostly erect or arching, per Peterson Field Guide to Ferns of Northeastern and Central North America.

image of Osmundastrum cinnamomeum, Cinnamon Fern

JK Marlow    jkm220412_6678

April    Greenville County    SC

Bald Rock Heritage Preserve

image of Osmundastrum cinnamomeum, Cinnamon Fern

Stephanie C. Brundage    scb_041421hayesville14

April    Clay County    NC

image of Osmundastrum cinnamomeum, Cinnamon Fern

Emily B. Sessa    ebsocinnamomea_9342

May        

image of Osmundastrum cinnamomeum, Cinnamon Fern

Emily B. Sessa    ebsocinnamomea_9359

May        

Fiddleheads large and densely covered with silvery-white hairs, per Peterson Field Guide to Ferns of Northeastern and Central North America.

image of Osmundastrum cinnamomeum, Cinnamon Fern

Emily B. Sessa    ebsocinnamomea_9379

May        

image of Osmundastrum cinnamomeum, Cinnamon Fern

Emily B. Sessa    ebsocinnamomea_9445

May        

Rachis smooth, green; semi-grooved in front, per Peterson Field Guide to Ferns of Northeastern and Central North America.

image of Osmundastrum cinnamomeum, Cinnamon Fern

Emily B. Sessa    ebsocinnamomea_9452

May        

Only Cinnamon Fern has tan tufts of wool at pinnae bases ("hairy armpits"), per Peterson Field Guide to Ferns of Northeastern and Central North America.


click here to see other plants that look similar to this COMPARE armpits of Cinnamon and Interrupted Fern

image of Osmundastrum cinnamomeum, Cinnamon Fern

Emily B. Sessa    ebsocinnamomea_9455

May        

image of Osmundastrum cinnamomeum, Cinnamon Fern

JK Marlow    jkm0305r_12

May    Haywood County    NC

Corneille Bryan Native Garden

image of Osmundastrum cinnamomeum, Cinnamon Fern

JK Marlow    jkm0405t_30

May    Transylvania County    NC

DuPont State Forest

image of Osmundastrum cinnamomeum, Cinnamon Fern

JK Marlow    jkm0505k_36

May    Haywood County    NC

Corneille Bryan Native Garden

Fertile leaves brown, narrower & shorter than the sterile, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).

image of Osmundastrum cinnamomeum, Cinnamon Fern

JK Marlow    jkm100515_041

May    Henderson County    NC

Pisgah National Forest: Pisgah Ranger District

Cinnamon Fern on the left, Royal Fern on the right.

image of Osmundastrum cinnamomeum, Cinnamon Fern

JK Marlow    jkm100515_053

May    Henderson County    NC

Pisgah National Forest: Pisgah Ranger District

Stipe covered with cinnamon wool at first, later smooth and green, per Peterson Field Guide to Ferns of Northeastern and Central North America.

image of Osmundastrum cinnamomeum, Cinnamon Fern

JK Marlow    jkm100515_079

May    Henderson County    NC

Pisgah National Forest: Pisgah Ranger District

image of Osmundastrum cinnamomeum, Cinnamon Fern

JK Marlow    jkm100515_090

May    Henderson County    NC

Pisgah National Forest: Pisgah Ranger District

Fertile fronds bright green at first, soon turning cinnamon-brown, per Peterson Field Guide to Ferns of Northeastern and Central North America.

image of Osmundastrum cinnamomeum, Cinnamon Fern

Richard and Teresa Ware    rtw_o_cinnamomeum

May        

image of Osmundastrum cinnamomeum, Cinnamon Fern

Tim Spira    tpsocinnamomea

May        

image of Osmundastrum cinnamomeum, Cinnamon Fern

Tim Spira    tpsocinnamomea_fiddlehd

May        

image of Osmundastrum cinnamomeum, Cinnamon Fern

Emily B. Sessa    ebsocinnamomea_0563

June        

image of Osmundastrum cinnamomeum, Cinnamon Fern

JK Marlow    jkm090610_028

June    Transylvania County    NC

Blue Ridge Parkway

image of Osmundastrum cinnamomeum, Cinnamon Fern

JK Marlow    jkm100606_135

June    Greenville County    SC

Chandler Heritage Preserve

image of Osmundastrum cinnamomeum, Cinnamon Fern

JK Marlow    jkm100606_137

June    Greenville County    SC

Chandler Heritage Preserve

Tufts of white to light brown hairs at base of pinna, per Peterson Field Guide to Ferns of Northeastern and Central North America.

image of Osmundastrum cinnamomeum, Cinnamon Fern

JK Marlow    jkm0507f_22

July    Pocahontas County    WV

Cranberry Glades Botanical Area

image of Osmundastrum cinnamomeum, Cinnamon Fern

JK Marlow    jkm0507g_29

July    Pocahontas County    WV

Cranberry Glades Botanical Area

image of Osmundastrum cinnamomeum, Cinnamon Fern

JK Marlow    jkm0509a_32b

September    Transylvania County    NC

DuPont State Forest

Leaflets deeply lobed (pinnate-pinnatifid); lobes rounded &slightly pointed, per Ferns of the Smokies (Evans, 2005).


click here to see other plants that look similar to this COMPARE pinnae of Cinnamon and Interrupted Fern

image of Osmundastrum cinnamomeum, Cinnamon Fern

JK Marlow    jkm181104_5606

November    Oconee County    SC

 

 

WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/14/23):
Osmundastrum cinnamomeum   FAMILY Osmundaceae

INCLUDING PLANTS NATIONAL DATABASE:
Osmunda cinnamomea var. cinnamomea   FAMILY Osmundaceae

INCLUDING Floristic Synthesis of North America. BONAP (Kartesz, 2021)
Osmundastrum cinnamomeum var. cinnamomeum

INCLUDING Floristic Synthesis of North America. BONAP (Kartesz, 2021)
Osmundastrum cinnamomeum var. glandulosum

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

INCLUDING Floristic Synthesis of North America (Kartesz, 1999)
Osmunda cinnamomea var. cinnamomea

INCLUDING Floristic Synthesis of North America (Kartesz, 1999)
Osmunda cinnamomea var. glandulosa

SYNONYMOUS WITH Flora of North America north of Mexico, vol. 2
Osmunda cinnamomea

SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 007-01-001:
Osmunda cinnamomea   FAMILY Osmundaceae

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

 

Find by SCIENTIFIC NAME:

996

Fern/Fern ally
Perennial

Habitat: bogs, peatlands, pocosins, wet savannas, floodplains, blackwater stream swamps, marshes, and other wetlands, less typically in merely mesic or even dry-mesic forests, especially if seasonally sub-irrigated, 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:
Deciduous
1-pinnate-pinnatifid
Leaves erect in a dense crown

FRUIT:
Spring

 

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



 


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