HABIT: Rather stout herbaceous perennial, 1-2 dm.; flowering
mid July- October.
SIMILAR SPECIES: All members of the genus Spiranthes
in Ohio are similar and are distinguished by floral characters. Spiranthes
romanzoffiana can be distinguished somewhat by its fiddle-shaped lip and by
the 3 sepals and 2 petals that unite to form a hood that protrudes farther than
TOTAL RANGE: Lab. to AK, s. to Nfld., N.S., N.E. and
w. to NY, PA, OH, MI, WI, IA, SD, CO, UT, and CA.
STATE RANGE: A 1960 record exists from Stark County.
Pre-1960 records are known from Ashtabula, Erie, Geauga, Lake, Medina, and
STATE STATUS: 1980-1995: Endangered, 1996 to present:
HABITAT: Usually calcareous soils in alkaline fens, rich
open woods, and wet sands.
HAZARDS: Trampling and compaction of soil; alteration of the
RECOVERY POTENTIAL: Probably poor due to its rather
specialized habitat and its necessity of associated mycorrhizal fungi.
INVENTORY GUIDELINES: Collect mature flowering material;
COMMENTS: Because ladies'-tresses are difficult to
distinguish, this species may be more frequent in northeastern Ohio than the
records indicate. It should be sought in suitable habitats throughout its
Case, F.W., Jr. and P.M. Catling. 1983. The genus Spiranthes
in Michigan. Mich. Bot. 22: 79-92.
M.A. 1993. Orchids of Indiana. Indiana Univ. Press, Bloomington. 275 pp.
Luer, C.A. 1975. The native orchids of the United States and
Canada excluding Florida. New York Botanical Garden, New York, NY. 361 p.
Sheviak, C.J. 1974. An introduction to the ecology of the
Illinois Orchidaceae. Illinois State Museum, Springfield, IL. 90 p.
Voss, E.G. 1972. Michigan flora, Part I, Gymnosperms and
monocots. Cranbrook Inst. of Sci. Bull.
55, Bloomfield Hills, MI. 488 p.
Ohio Department of Natural Resources
Division of Natural Areas and Preserves
Created: 11/1983 Barbara K. Andreas
Database Code: SPGY.K65