Spiranthes brevilabris
| Short lipped ladies' tresses | |
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Scientific classification 
| |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Monocots |
| Order: | Asparagales |
| Family: | Orchidaceae |
| Subfamily: | Orchidoideae |
| Tribe: | Cranichideae |
| Genus: | Spiranthes |
| Species: | S. brevilabris
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| Binomial name | |
| Spiranthes brevilabris | |
Spiranthes brevilabris, the short lipped ladies' tresses or Texas lady's tresses is a rare and endangered orchid native to the southeastern United States.[2][1]
Variations
[edit]There are two recognized variations:[3]
- Spiranthes brevilabris var. brevilabris
- Spiranthes brevilabris var. floridana
Description
[edit]Spiranthes brevilabris plants are 7–40 cm tall, with 3-5 basal leaves usually present when flowering. Flowers are arranged in a spiral around the stem, with a cream white to ivory yellow color. The inside of the lip is yellow. Bloom time is February to April.[4]
Distribution and habitat
[edit]Spiranthes brevilabris can be found in Florida and Texas, with historic records from Mississippi, Louisiana, Georgia and Alabama but assumed to be extirpated in those states. It grows in wet pine savannas and moist meadows and roadsides.[1]
Taxonomy
[edit]Spiranthes brevilabris was first described by John Lindley in 1840.[5]
References
[edit]- ^ a b c Treher, A. (2015). "Spiranthes brevilabris". IUCN Red List of Threatened Species. 2015: e.T64176923A64176934.
- ^ "Spiranthes brevilabris". North American Orchid Conservation Center (NAOOC), Smithsonian Environmental Research Center. 2018. Retrieved 16 February 2022.
- ^ "Spiranthes brevilabris". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 17 February 2022.
- ^ Flora of North America Editorial Committee (ed.). "Spiranthes brevilabris". Flora of North America North of Mexico (FNA). New York and Oxford: Oxford University Press – via eFloras.org, Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
- ^ "Spiranthes brevilabris". International Plant Names Index (IPNI). Royal Botanic Gardens, Kew; Harvard University Herbaria & Libraries; Australian National Botanic Gardens.
Media related to Spiranthes brevilabris at Wikimedia Commons
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