Spiranthes longilabris

Spiranthes longilabris, the long lipped ladies' tresses is an orchid endemic to the southeastern United States.[1]

Long lipped ladies' tresses
Inflorescence
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Monocots
Order: Asparagales
Family: Orchidaceae
Subfamily: Orchidoideae
Tribe: Cranichideae
Genus: Spiranthes
Species:
S. longilabris
Binomial name
Spiranthes longilabris
Lindl.

Description

Spiranthes longilabris plants are 15–50 cm tall, with 3-5 basal leaves either present or absent when flowering. There are 10-30 flowers arranged in a spiral around the stem, with a white to cream white color. The inside of the lip is yellow. Compared to other spiranthes species it has a long lip and the two lateral sepals are spreading to the outside. Bloom time is October to December.[1][2]

Distribution and habitat

Spiranthes longilabris can be found in Alabama, Florida, Georgia, Louisiana, Mississippi, North Carolina, South Carolina, Texas, Virginia.[3]

It grows in the coastal plain with a maximum elevation of 50 m, in dry and moist grassland as well as woodland.

Taxonomy

Spiranthes longilabris was first described by John Lindley in 1840.[3]

References
  1. "Spiranthes longilabris". North American Orchid Conservation Center (NAOOC), Smithsonian Environmental Research Center. 2018. Retrieved 19 February 2022.
  2. Flora of North America Editorial Committee (ed.). "Spiranthes longilabris". 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.
  3. "Spiranthes longilabris". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 19 February 2022.

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