International Carnivorous Plant Society
Carnivorous Plant Newsletter Archive
Purple bladderworts in Quebec: Rediscovering an unusual growth strategy
Douglas W. Darnowski
Carniv. Pl. Newslett. 51(2):99-100
Published June 2022
This report describes the discovery of plants of the purple bladderwort, Utricularia purpurea, growing at surprising depths in a lake near Montreal, Quebec, Canada. While U. purpurea normally grows floating close to the surface in bright light, these plants were found affixed to the bottom of an inlet on a large lake in Quebec, growing in dim light in humic water up to 3-4 meters below the surface. This phenomenon has been seen before in the northern United States, reported in one paper from the literature from the early 1980’s, so it seems worthwhile reviewing this interesting phenomenon, first by describing what was found and then by connecting to the one report in the literature.
Keywords: bladderwort, Utricularia, deep, Quebec, Canada
Douglas W. Darnowski. 2022. Purple bladderworts in Quebec: Rediscovering an unusual growth strategy. Carniv. Pl. Newslett. 51(2):99-100. https://doi.org/10.55360/cpn512.dd112
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