Spiranthes romanzoffiana Cham.
Hooded Ladies'-tresses, Hooded Lady's Tresses
Orchidaceae (Orchid Family)
Synonym(s): Ibidium strictum, Spiranthes stricta
USDA Symbol: SPRO
1 stem, or several in a clump, with 3-6 leaves near base and up to 60 creamy white bilaterally symmetrical flowers blooming in 1-4 gently spiraled rows in a dense spike.
Western Ladies'-tresses (S. porrifolia), which grows in similar habitats from southern California to southern Washington and also in northern Utah, has a triangular lip barely constricted behind the tip, the sepals only about 3/8" (9 mm) long.
From the Image Gallery
Bloom InformationBloom Color: White
Bloom Time: Jul , Aug , Sep , Oct
DistributionUSA: AK , AZ , CA , CO , CT , IA , ID , IL , IN , MA , ME , MI , MN , MT , ND , NE , NH , NM , NV , NY , OH , OR , PA , SD , UT , VT , WA , WI , WY
Canada: NB , NL , NS , PE
Native Distribution: Southern California to New Mexico; north through most of northern North America.
Native Habitat: Generally moist open places, but variable, occurring from coastal bluffs to high in the mountains.
Growing ConditionsWater Use: High
Light Requirement: Part Shade
CaCO3 Tolerance: Low
BenefitConspicuous Flowers: yes
National Wetland Indicator Status
Additional resourcesUSDA: Find Spiranthes romanzoffiana in USDA Plants
FNA: Find Spiranthes romanzoffiana in the Flora of North America (if available)
Google: Search Google for Spiranthes romanzoffiana
MetadataRecord Modified: 2019-12-03
Research By: TWC Staff