Isotria verticillata, commonly known as the large whorled pogonia and purple fiveleaf orchid, is an orchid species native to eastern North America.
| Isotria verticillata | |
|---|---|
| Flower of a large whorled pogonia | |
| Scientific classification | |
| Kingdom: | Plantae |
| Clade: | Embryophytes |
| Clade: | Tracheophytes |
| Clade: | Spermatophytes |
| Clade: | Angiosperms |
| Clade: | Monocots |
| Order: | Asparagales |
| Family: | Orchidaceae |
| Subfamily: | Vanilloideae |
| Genus: | Isotria |
| Species: | I. verticillata |
| Binomial name | |
| Isotria verticillata (Muhl. ex Willd.) Raf. | |
| Synonyms[1][2][3] | |
| |
Distribution
editThe orchid's native range is across the Eastern United States in the Appalachian Mountains, the central and eastern Great Lakes region, and elsewhere from Maine south to Florida, and westward from Michigan south to Texas. It is also native to Ontario, Canada.
Description
editIsotria verticillata is a terrestrial orchid of eastern North America spreading by underground rhizomes.
Its whorl of 5 or 6 leaves[4] are green above, waxy and a bit whitened below.
The flowers are yellowish-green, up to 110 mm (4.3 inches) across.[1]
References
edit- 1 2 3 Flora of North America v 26 p 512.
- ↑ Tropicos
- ↑ The Plant List
- ↑ Shuttleworth, Floyd S.; Zim, Herbert S.; Dillon, Gordon W. (1970). Orchids. New York: Golden Press. p. 29.
External links
edit
Media related to Isotria verticillata at Wikimedia Commons
Data related to Isotria verticillata at Wikispecies- USDA Plants Profile for Isotria verticillata (large whorled pogonia)
- Isotria verticillata in Flora of North America @ efloras.org
- Lady Bird Johnson Wildflower Center Native Plant Information Network−NPIN: Isotria verticillata