Spiranthes casei Catling & Cruise 1974 publ. 1975
Photo by © Corey Raimond and Robert W. Freckmann Herbarium, University of Wisconsin-Stevens Point. Wisconsin Plants web site
Photo by © Jeff Hapeman and Robert W. Freckmann Herbarium, University of Wisconsin-Stevens Point. Wisconsin Plants web site
Photo by © Peter M. Dziuk and The Minnesota Wildflowers web site
LATER
EARLY
Common Name Case's Spiralis - In USA/Canada Case's Ladies Tresses
Flower Size .2" [5 mm]
Found in Ontario, Quebec and Nova Scotia Canada, Minnesota, Wisconson, Michigan, Pennsylvania, New York, New Hamshire, Vermont and Maine USA in thin soil grasslands and dry open sites as a small to medium sized, cold growing terrestrial with sparsely pubescent stems carrying 3 to 5, basal to the lower portion af the stem, glab rous, often glaucous, linear-oblanceolate, ascending to spreading, present at blooming which occurs in the later summer and early fall on a terminal, erect, peduncle glabrous 8.4 to 9.4" [21 to 23 cm] long, rachis 2.4 to 6" [6 to 15 cm] long, pubescent with septate, reddish-glandular hairs, often in a single spiral, loose, 5 or more flowered per cycle, 10 to 50 flowered inflorescence with ovate to ovate-lanceolate, long acumnate, more or less pubescent, longer than the ovary floral bracts AND carrying fragrant flowers
The plants from southern Nova Scotia have been segregated as Spiranthes casei var. novaescotiae and tend to be smaller, with smaller flowers and broader petals than those of the more widespread var. casei.
Synonyms Spiranthes casei var. novaescotiae Catling 1981
References W3 Tropicos, Kew Monocot list , IPNI ;
* Rhodora 76: 527 Catling & Cruise 1974 publ. 1975
Canad. J. Bot. 59: 1261 Catling 1981 as S casei var. novaescotiae
Schlechteriana Vol 4 No 4 1993;
Wild Orchids of the Canadian Maritimes and Northern Great Lakes Region P M Brown 2006 photos fide
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