Platanthera ciliaris

Platanthera ciliaris, commonly known as the yellow fringed orchid, yellow-fringed orchid, or orange-fringed orchid, is a large and showy species of orchid. It grows in "acid soil of hillside seepage bogs" in the longleaf pine landscapes of the Gulf Coast.[1] Like many species in these habitats, including flatwoods, it is dependent upon recurring fire to create open conditions.[2] Further north it is found in bogs, but even here it may be dependent upon fire to create open conditions. [3]

Yellow fringed orchid
Platanthera ciliaris
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Monocots
Order: Asparagales
Family: Orchidaceae
Subfamily: Orchidoideae
Genus: Platanthera
Species:
P. ciliaris
Binomial name
Platanthera ciliaris
Yellow fringed orchid range
Synonyms
  • Orchis ciliaris L. (basionym)
  • Habenaria ciliaris (L.) R.Br.
  • Blephariglottis flaviflora Raf.
  • Habenaria ciliaris var. alba (Michx.) Morong
  • Blephariglottis ciliaris (L.) Rydb.

It is pollinated by large butterflies, mostly swallowtails.[1]

The species is at risk in some areas from loss of habitat and collecting. For example, it is endangered in Michigan.[3] It has been recorded from extreme southern Ontario, but is now thought to be extirpated.[4]

References
  1. Liggio, J. and Liggio, A.O. 1999. Wild Orchids of Texas. University of Texas Press, Austin. 228 p.
  2. Keddy, Paul A. (2008). Water, Earth, Fire: Louisiana's Natural Heritage. Philadelphia: Xlibris. p. 229. ISBN 978-1-4363-6234-4.
  3. M.R. Penskar and S.R. Crispin. 2004. Special plant abstract for Platanthera ciliaris (yellow fringed-orchid). Michigan Natural Features Inventory. Lansing, MI. 3 pp
  4. Oldham, M.J., and S.R. Brinker. 2009. Rare Vascular Plants of Ontario, Fourth Edition. Natural Heritage Information Centre, Ontario Ministry of Natural Resources. Peterborough, Ontario. 188 pp


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