Checklist » Orchidaceae » Spiranthes diluvialis
Last updated 3/23/2021 by David Giblin.
Spiranthes diluvialis Sheviak[FNA26, HC2]
diluvial ladies'-tresses

Publication: Brittonia. 36: 11, figs. 1C, D, 2A–C, F. 1984.

Origin: Native

selected vouchers: WTU

Notes: Rare. FNA notes it is an amphiploid hybrid derived from S. romanzoffiana and S. magnicamporum Sheviak, a species of central North America.


» Sheviak, C. J. 1984. Spiranthes diluvialis (Orchidaceae), a new species from the western United States. Brittonia 36: 8-14.
Synonyms & Misapplied Names:
Spiranthes romanzoffiana Cham. var. diluvialis (Sheviak) S.L. Welsh