Liparis liliifolia (Purple twayblade) - MNFI Rare Species Explorer

Liparis liliifolia

Purple twayblade

Photo by Ryan P. O'Connor

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Key Characteristics

Small orchid (10-20 cm) of disturbed thickets with two ovate basal leaves; flowers purple, clustered on a tall stalk.

Status and Rank

State Status: SC - Special Concern (rare or uncertain; not legally protected)
State Rank: S3 - Vulnerable
Global Rank: G5 - Secure

Occurrences

County Name	Number of Occurrences	Year Last Observed
Branch	1	2008
Calhoun	1	1994
Hillsdale	1	1991
Jackson	3	2010
Kalamazoo	4	2008
Lenawee	2	1998
Livingston	1	2004
Oakland	2	2004
St. Joseph	1	2007
Van Buren	1	1992
Washtenaw	9	2006
Wayne	1	1998

Updated 05/08/2013. Information is summarized from MNFI's database of rare species and community occurrences. Data may not reflect true distribution since much of the state has not been thoroughly surveyed.

Habitat

Purple twayblade is found in a wide variety of habitats, though almost always in sites that are at least moderately disturbed ranging from old fields and successional thickets to young second-growth hardwoods. It may even be found in abandoned pine plantations and beneath monocultures of invasive shrubs like autumn-olive. Moisture conditions may range from slightly damp to dry-mesic.

Natural Community Types

Associated Plants

Sugar maple, red maple, American elm, trembling aspen, Eastern redcedar, autumn-olive, honey suckle, big bluestem, Indian grass, ebony spleenwort, wild geranium, Virginia creeper, early goldenrod, showy goldenrod, and bush-clovers.

Management

This species needs openings and early stages of succession. It tolerates very little competition and likely benefits from activities that maintain savanna-like conditions such as prescribed burning and brush clearing.

General Survey Guidelines

Random meander search covers areas that appear likely to have rare taxa, based on habitat and the judgement of the investigator.

Survey Methods

Meander search
Survey Period: From first week of June to fourth week of June

Page Citation

Michigan Natural Features Inventory. 2007. Rare Species Explorer (Web Application). Available online at http://mnfi.anr.msu.edu/explorer [Accessed May 18, 2013]

More Information

See MNFI Species Abstract

References

Survey References

Elzinga, C.L., D.W. Salzer, and J.W. Willoughby. 1998. Measuring and Monitoring Plant Populations. The Nature Conservancy and Bureau of Land Management, Denver. BLM Technical Reference 1730-1. 477pp.

Goff, G.F., G.A. Dawson, and J.J. Rochow. 1982. Site examination for Threatened and Endangered plant species. Environmental Management 6(4): 307-316

Nelson, J.R. 1984. Rare Plant Field Survey Guidelines. In: J.P. Smith and R. York. Inventory of rare and endangered vascular plants of California. 3rd Ed. California Native Plant Society, Berkeley. 174pp.

Nelson, J.R. 1986. Rare Plant Surveys: Techniques For Impact Assessment. Natural Areas Journal 5(3):18-30.

Nelson, J.R. 1987. Rare Plant Surveys: Techniques for Impact Assessment. In: Conservation and management of rare and endangered plants. Ed. T.S. Elias. California Native Plant Society, Sacramento. 8pp.

Technical References

Braun, E. L. 1967. The Monocotyledoneae of Ohio. Cat-tails to Orchids. Ohio State University Press, Columbus. 464pp.

Case, F.W., Jr. 1987. Orchids of the Western Great Lakes Region. Revised ed. Cranbrook Institute of Science, Bull. 48. 251pp.

Deam, C. C. 1940. Flora of Indiana. Department of Conservation, Indianapolis. 1236pp.

Flora of North America Editorial Committee. 2002. Flora of North America, North of Mexico. Volume 26: Magnoliaphyta: Liliidae: Liliales and Orchidales. Oxford University Press, New York. 723pp.

Gleason, H. A., and A. Cronquist. 1991. Manual of Vascular Plants of Northeastern United States and Adjacent Canada. Second edition. The New York Botanical Garden, Bronx. 910pp.

Gray, A. 1950. Gray's Manual of Botany; eighth ed. Van Nostrand Reinghold, New York. 1632pp.

Holmgren, N.H. 1998. Illustrated Companion to Gleason and Cronquist's Manual. Illustrations of the vascular plants of Northeastern United States and adjacent Canada. New York Botanical Garden, Bronx. 937pp.

Homoya, M.A. 1993. Orchids of Indiana. Indiana University Press, Bloomington. 276pp.

Luer, C.A. 1975. The Native Orchids of the United States and Canada, Excluding Florida. Native Orchids U.S. & Canada. Barrons Educational Series, Hauppauge.

Mohlenbrock, R.H. 1986. Guide to the Vascular Flora of Illinois. Southern Illinois University Press, Carbondale. 507pp.

Swink, F. and G. Wilhelm. 1994. Plants of the Chicago Region, 4th ed. Indiana Academy of Science, Indianapolis. 921pp.

Voss, E. G. 1972. Michigan Flora. Part I. Gymnosperms and Monocots. Bulletin of the Cranbrook Institute of Science and University of Michigan Herbarium. 488pp.

Whiting, R.E. and P.M. Catling. 1986. Orchids of Ontario. The CanaColl Foundation, Ottawa. 169pp.