Platanthera macrophylla (Goldie) P. M. Br.
Common Name: LARGE ROUND-LEAVED ORCHID
Synonym: Habenaria orbiculata
Coefficient of Conservatism: 10
Coefficient of Wetness: 0
Wetness Index: FAC
Physiognomy: Nt P-Forb

Included in Habenaria orbiculata in Michigan Flora.

Rich deciduous or mixed forests; very local. A stunning plant with its huge leaves resting flat on the ground. The measurements noted in the key apply to existing Michigan specimens. For more complex characters, see Reddoch & Reddoch (1993).

The isolated St. Clair Co. record dates from 1892.

 

Locations

Alger County
Cheboygan County
Emmet County
Marquette County
St. Clair County

Citation:

MICHIGAN FLORA ONLINE. A. A. Reznicek, E. G. Voss, & B. S. Walters. February 2011. University of Michigan. Web. December 10, 2017. http://michiganflora.net/species.aspx?id=1834.