OF THE CAROLINAS & GEORGIA

Spermatophytes (seed plants): Angiosperms (flowering plants): Monocots: Asparagales

WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Isotria verticillata   FAMILY Orchidaceae   Go to FSUS key



SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Isotria verticillata   FAMILY Orchidaceae

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

Isotria verticillata

SYNONYMOUS WITH Guide to the Vascular Plants of Florida (Wunderlin & Hansen, 2011)

Pogonia verticillata

SYNONYMOUS WITH Flora of North America north of Mexico, vol. 26 (2002)

Isotria verticillata

SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 049-06-001:

Isotria verticillata   FAMILY Orchidaceae

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

Isotria verticillata

 

COMMON NAME:
Large Whorled Pogonia, Large Five-leaves


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

image of Isotria verticillata, Large Whorled Pogonia, Large Five-leaves

USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913    pnd_isve_001_lvd

        

image of Isotria verticillata, Large Whorled Pogonia, Large Five-leaves

Richard and Teresa Ware    rtw_i_verticillata_5

April        

image of Isotria verticillata, Large Whorled Pogonia, Large Five-leaves

Richard and Teresa Ware    rtw_i_verticillata_c

April        

The long dark sepals & gaping lip resemble a large insect waiting for prey, per Wild Orchids of South Carolina: A Popular Natural History (Fowler, 2005).

image of Isotria verticillata, Large Whorled Pogonia, Large Five-leaves

Greg Peters    glp_05082013_v2

May    Transylvania County    NC

DuPont Forest

3 long, narrow sepals are light green at base, dark purplish-brown at tips, per Wild Orchids of South Carolina: A Popular Natural History (Fowler, 2005).


click here to see other plants that look similar to this COMPARE Large and Small Whorled Pogonia and Indian Cucumber-root

image of Isotria verticillata, Large Whorled Pogonia, Large Five-leaves

Greg Peters    glp_05102013_v2

May    Transylvania County    NC

DuPont Forest

image of Isotria verticillata, Large Whorled Pogonia, Large Five-leaves

Greg Peters    glp_05102013_v2a

May    Transylvania County    NC

DuPont Forest

The bright green leaves tend to point upward when the plant is in flower, per Wild Orchids of South Carolina: A Popular Natural History (Fowler, 2005).

image of Isotria verticillata, Large Whorled Pogonia, Large Five-leaves

Jim Fowler    jafisovert_030511

May        NC

Blue Ridge Parkway

image of Isotria verticillata, Large Whorled Pogonia, Large Five-leaves

Jim Fowler    jafisovert_close030511

May        NC

Blue Ridge Parkway

 

 

WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Isotria verticillata   FAMILY Orchidaceae

SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Isotria verticillata   FAMILY Orchidaceae

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

SYNONYMOUS WITH Guide to the Vascular Plants of Florida (Wunderlin & Hansen, 2011)
Pogonia verticillata

SYNONYMOUS WITH Flora of North America north of Mexico, vol. 26
Isotria verticillata

SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 049-06-001:
Isotria verticillata   FAMILY Orchidaceae

SYNONYMOUS WITH Manual of the Southeastern Flora (Small, 1933, 1938)
Isotria verticillata

 

Find by SCIENTIFIC NAME:

767

Forb
Perennial

Habitat: Acidic, mesic to dry forests, per Weakley's Flora

Native to the Carolinas & Georgia

Rare

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:
Simple
Whorls of 5

FLOWER:
Spring/Summer
Greenish /Purplish-brown
Bilaterally symmetrical
3 sepals, two lateral and one dorsal
3 petals, the two lateral similar and a third (the lip) enlarged
stamens and pistil fused together into a column
Inferior ovary
Bisexual

FRUIT:
Spring/Summer
Capsule

 

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



 


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