''Spiranthes porrifolia'' is a species of
orchid known by the common names creamy lady's tresses
and western ladies' tresses. It is native to the western United States from
Washington and
Idaho to southern
California.
It can be found in moist habitats, such as mountain meadows,
swamp
A swamp is a forested wetland.Keddy, P.A. 2010. Wetland Ecology: Principles and Conservation (2nd edition). Cambridge University Press, Cambridge, UK. 497 p. Swamps are considered to be transition zones because both land and water play a role in ...
s,
fens, and riverbanks.
[ It is a perennial herb growing from a tuberous root system, reaching a maximum height around .][ The leaves are mainly located around the base of the erect stem. They are linear or lance-shaped, or sometimes nearly oval. The top of the stem is occupied by the inflorescence, a dense spiral of many flowers. Each flower is somewhat tubular, with an upper and lower lip, and cream to yellowish in color.][
The ]specific epithet
In taxonomy, binomial nomenclature ("two-term naming system"), also called nomenclature ("two-name naming system") or binary nomenclature, is a formal system of naming species of living things by giving each a name composed of two parts, bot ...
''porrifolia'' is Latin for "leek-leaved".
References
External links
Jepson Manual Treatment of ''Spiranthes porrifolia''
Washington Burke Museum
''Spiranthes porrifolia'' — UC Photo gallery
{{Taxonbar, from=Q7577790
porrifolia
Endemic orchids of the United States
Orchids of California
Flora of the Northwestern United States
Flora of Idaho
Flora of Washington (state)
Flora of the Cascade Range
Flora of the Klamath Mountains
Flora of the Sierra Nevada (United States)
Natural history of the California Coast Ranges
Natural history of the Peninsular Ranges
Natural history of the Transverse Ranges
Flora without expected TNC conservation status