Rare albiflora form of Orchis spitzelii

In OrchideenJournal 3/2009, Josefa and Richard Thoma describe how they have found two white flowering plants of Orchis spitzelii for the first time in a region they have been visiting for about 20 years. This location in the Alps near Salzburg is the only place where Orchis spitzelii can be found in Austria.

In June 2009, the couple counted 17 plants when Josefa was surprised to find two white flowering Orchis spitzelii. “I didn’t trust my ears”, writes Richard Thoma describing his feelings when his wife exclaimed: “Two whites!” The author named the rare color variation “Orchis spitzelii f. albovirida” – with regard to the green perigone containing chlorophyll pigments.

“Why now, of all times?”, Thoma asks and is looking forward to next year when the want to see if the white forms appear again.

Maybe it’s more than just a “freak of nature” as Thoma is assuming. More substantial research is needed to see if there is a certain function which could explain why certain orchid species develop albiflora forms. Special thanks to Richard Thoma for contributing his photos of the white flowering Orchis spitzelii to albiflora.eu.

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