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Plant Database

Search for native plants by scientific name, common name or family. If you are not sure what you are looking for, try the Combination Search or our Recommended Species lists.

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Isotria verticillata (Large whorled pogonia)
Cressler, Alan

Isotria verticillata

Isotria verticillata Raf.

Large Whorled Pogonia, Purple Fiveleaf Orchid

Orchidaceae (Orchid Family)

Synonym(s):

USDA Symbol: ISVE

USDA Native Status: L48 (N), CAN (N)

Listed endangered in Canada.

 

From the Image Gallery

14 photo(s) available in the Image Gallery

Plant Characteristics

Duration: Perennial
Habit: Herb
Leaf Complexity: Simple
Fruit Type: Capsule
Size Notes: Up to about 16 inches tall when flowering.

Bloom Information

Bloom Color: White , Yellow , Green , Purple , Brown
Bloom Time: Apr , May , Jun

Distribution

USA: AL , AR , CT , DC , DE , FL , GA , IL , IN , KY , LA , MA , MD , ME , MI , MO , MS , NC , NH , NJ , NY , OH , OK , PA , RI , SC , TN , TX , VA , VT , WV
Canada: ON
Native Habitat: Woodland

Growing Conditions

Light Requirement: Sun , Part Shade , Shade
Soil Moisture: Moist
Soil pH: Acidic (pH<6.8)
Soil Description: Organic, Humus Enriched

Benefit

Conspicuous Flowers: yes

National Wetland Indicator Status

Region:AGCPAKAWCBEMPGPHIMWNCNEWMVE
Status: FACU FACU FAC FAC FAC
This information is derived from the U.S. Army Corps of Engineers National Wetland Plant List, Version 3.1 (Lichvar, R.W. 2013. The National Wetland Plant List: 2013 wetland ratings. Phytoneuron 2013-49: 1-241). Click here for map of regions.

From the National Organizations Directory

According to the species list provided by Affiliate Organizations, this plant is on display at the following locations:

Mt. Cuba Center - Hockessin, DE

Web Reference

Webref 38 - Flora of North America (2019) Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
Webref 23 - Southwest Environmental Information Network (2009) SEINet - Arizona Chapter

Additional resources

USDA: Find Isotria verticillata in USDA Plants
FNA: Find Isotria verticillata in the Flora of North America (if available)
Google: Search Google for Isotria verticillata

Metadata

Record Modified: 2022-11-10
Research By: TWC Staff

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