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FNA | Family List | FNA Vol. 26 | Orchidaceae | Spiranthes

15b. Spiranthes casei var. novaescotiae Catling, Canad. J. Bot. 59: 1261. 1981.

Lip ovate, 4.1–5(–8) mm, margins inflexed, thick, apex acute.

Flowering Aug--Sep. Open barrens and roadsides; of conservation concern; 0 m; N.S.

The plants from southern Nova Scotia segregated as Spiranthes casei var. novaescotiae tend to be smaller, with smaller flowers and broader petals than those of the more widespread var. casei.

Putative hybrids of Spiranthes casei var. novaescotiae with S. ochroleuca have been designated S. × borealis P. M. Brown.


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