Potentilla arguta Pursh
Drymocallis arguta, commonly known as the tall cinquefoil, sulphur cinquefoil or sticky cinquefoil, is a perennial plant in the Rosaceae family of flowering plants native to North America. It was formerly included with the typical cinquefoils in the genus Potentilla.
D. arguta is thought to be a protocarnivorous plant. In a 1999 experiment, several plants in the Pacific Northwest were tested for the carnivorous syndrome, using the digestion of proteins as the diagnostic tool to determine which plants appeared to produce protease enzymes capable of breaking down potential prey. D. arguta displayed a capability to digest and absorb the 14C-labeled algal protein placed on its sticky trichomes. However, it is not known whether the digestive enzymes were produced by the plant itself or surface microbes.
- Spomer, G. G. (1999). Evidence of protocarnivorous capabilities in Geranium viscosissimum and Potentilla arguta and other sticky plants. International Journal of Plant Sciences 160(1) 98-101.
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