Native Plants

Plant Database

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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:	AGCP	AK	AW	CB	EMP	GP	HI	MW	NCNE	WMVE
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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