Spiranthes tuberosa
Spiranthes tuberosa, commonly called little lady's tresses, little pearl-twist and slender ladies'-tresses is an orchid species. It is a perennial plant native to North America.[1]
| Spiranthes tuberosa | |
|---|---|
 | |
Scientific classification  | |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Monocots |
| Order: | Asparagales |
| Family: | Orchidaceae |
| Subfamily: | Orchidoideae |
| Tribe: | Cranichideae |
| Genus: | Spiranthes |
| Species: | S. tuberosa |
| Binomial name | |
| Spiranthes tuberosa Raf. | |
| Synonyms[1] | |
| |
The basal leaves are short-lived, blooming plants having pure white flowers spirally arranged around the single-stemmed inflorescence; the plants grow in grasslands and open woods.[2]
Legal status
It is listed as a special concern in Connecticut,[3] as threatened in Florida, as exploitably vulnerable in New York (state), as extirpated in Pennsylvania, and as endangered in Rhode Island.[4]
References
- "Plants Profile for Spiranthes tuberosa (little lady's tresses)". plants.usda.gov. Retrieved 24 January 2018.
- Rhoads, Ann Fowler; Block, Timothy A. (2007-09-05). The Plants of Pennsylvania: An Illustrated Manual. University of Pennsylvania Press. ISBN 978-0-8122-4003-0.
- "Connecticut's Endangered, Threatened and Special Concern Species 2015". State of Connecticut Department of Energy and Environmental Protection Bureau of Natural Resources. Retrieved 19 January 2018. (Note: This list is newer than the one used by plants.usda.gov and is more up-to-date.)
- "Plants Profile for Spiranthes tuberosa (little lady's tresses)". plants.usda.gov. Retrieved 24 January 2018.
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