Chimaphila umbellata, the umbellate wintergreen, pipsissewa, or prince's pine, is a small perennial flowering plant found in dry woodlands, or sandy soils.

In comparison, the closely related C. menziesii bears hairs on the back of the filament's expansion as well.

[3] There are four subspecies: Some Plateau Indian tribes used a boil of prince's pine to treat tuberculosis.

[4] The twentieth century Appalachian folk healer Clarence "Catfish" Gray, "Man of the Woods", credited pipsissewa with curing his own heart problems and included it in his 15 herb cure-all "bitters.

[7] Recent investigations show the anti-proliferative effect of Chimaphila umbellata in human breast cancer cells (MCF-7).