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P. praeclara is distinguished from Platanthera leucophaea, the eastern prairie fringed orchid, by its slightly larger flowers, petal shape, and longer nectar spur. Platanthera praeclara is a long-lived perennial. It emerges in May and blooms in June or in July further north. The flowers are fragrant at night and are pollinated by large sphinx ...
The western prairie fringed orchid is mostly found in reserves, such as the Sheyenne National Grassland in North Dakota and the Manitoba Tall Grass Prairie Preserve. The peak of the orchid's bloom was roughly mid-July. Populations can be as small as one plant or as large as 500 to 1,000, Travers said.
Platanthera leucophaea, commonly known as the prairie white fringed orchid [6] or eastern prairie fringed orchid, is a rare species of orchid native to North America. It is a federally threatened species, [ 7 ] protected since October 30, 1989 under the Endangered Species Act of 1973 . [ 8 ]
This is a list of genera in the orchid family (Orchidaceae), originally according to The Families of Flowering Plants - L. Watson and M. J. Dallwitz.This list is adapted regularly with the changes published in the Orchid Research Newsletter which is published twice a year by the Royal Botanic Gardens, Kew.
The Tall Grass Prairie Preserve consists primarily of big bluestem (or turkey foot, resembles the bird's foot), little bluestem, porcupine needlegrass (Stipa spartea), and prairie dropseed grasses. The last known Canadian remnant population of the endangered western prairie fringed orchid ( Platanthera praeclara ) is within the preserve.
It is the only National Grassland in the tallgrass prairie region of the U.S. [3] The grassland provides habitat for the largest population of greater prairie chickens in North Dakota, as well as the Dakota skipper butterfly, the western prairie fringed orchid, and numerous ferns, as well as grazing land for approximately 83 cattle ranchers. [4]
Platanthera lacera is an orchid in the genus Platanthera, native throughout Eastern United States and Canada.It occurs in a variety of habitats ranging from “mesic and dry-mesic sand prairie, wet sedge meadow, calcareous fen, sphagnum bog, acid seep spring, dry field, mesic flatwoods, and mesic upland forests.” [1] Common names include ragged fringed orchid and green fringed orchid.
Platanthera leucophaea — eastern prairie white-fringed orchid; Platanthera leucostachys — Bog rein orchid, scentbottle; Platanthera obtusata — small northern bog orchid; Platanthera orbiculata — large roundleaf orchid; Platanthera praeclara — western prairie white-fringed orchid; Platanthera psycodes — small purple-fringe orchis