Chimaphila umbellata

What to Eat

Edible parts: Leaves

The leaves of pipsissewa can be nibbled raw, brewed into a tea, or used as a flavouring in root beer. They have a notably delicious scent and flavour. An extract of the leaves is also used to flavour candy and soft drinks. In Mexico, the herb is used to prepare 'navaitai', an alcoholic beverage made from sprouted maize. A tea can additionally be made from an infusion of the stems and roots.

Known Hazards

Where to Find It

It is a temperate plant. It grows in dry pine and deciduous broad leafed forest at low altitudes in N China. It is best in light, well-drained soil. It needs a protected, shaded position. It is frost hardy. It suits hardiness zones 5-9.

Asia, Australia, Canada, Central America, China, Dominican Republic, Denmark, Europe, France, Germany, Haiti, Japan, Manchuria, Mexico, North America, Russia, Siberia, USA, West Indies,

How to Identify

A shrub. It is evergreen. It often forms a mat. The underground stems or rhizomes are 1-2 mm across. They are long and creeping and branched. The aerial stems are erect or curve upwards. They are 5-15 cm long and 1-2.2 mm wide. They are angled. The leaves on the stem are in 2-6 groups of 4-9 leaves. The leaf stalk is 3-6 mm long. The leaf blade is pale green underneath. It is sword shaped and 1-5 cm long by 6-8 mm wide. It is thickly leathery. There are 2-7 flowers in a group 3-6 mm long. Often the flowers are nodding. The flowers are white. The fruit is a capsule 4-7 mm across. It splits open by 5 valves.

How to Grow

Plants can be grown by seed or by division.

Propagation: Seed is very difficult to germinate. It is best sown in a shady area of the greenhouse on moist sphagnum peat as soon as it is ripe. Prick seedlings out into individual pots when large enough to handle and grow on in a shady greenhouse position for at least their first winter. Plant out into permanent positions in late spring or early summer, after the last expected frosts. Division is rather difficult because the plant is very sensitive to root disturbance; it is best attempted in spring as growth begins. Softwood cuttings can be taken in June in a frame, using some soil taken from around an established plant.

Medicinal Uses

Pipsissewa was widely used by many Native North American tribes to induce sweating and treat fevers, including typhus. The plant contains hydroquinones with a pronounced disinfectant effect on the urinary tract, and modern herbalism primarily employs it to treat urinary problems such as cystitis and urethritis. The whole plant is alterative, antibacterial, astringent, diaphoretic, diuretic, rubefacient, stimulant, and tonic. Infusions treat various urinary conditions and more serious complaints such as kidney stones and gonorrhoea, while a decoction is considered very effective for skin diseases. Used externally, the fresh leaves are rubefacient; taken internally, they are valued for cardiac and kidney diseases, chronic rheumatism, and scrofula. Only the leaves are officially medicinal, though the whole plant is often used in practice. The plant contains the biologically active compounds arbutin, sitosterol, and ursolic acid. Arbutin hydrolyzes to hydroquinone, a toxic urinary antiseptic. Glycosides and an essential oil in the plant contribute to its astringent and tonic properties. The plant is harvested when in flower, though the leaves alone can be collected during the growing season and dried for later use. A homeopathic remedy made from the leaves is used to treat inflammations of the urinary system.

Other Uses

The plant's stoloniferous root system and dwarf spreading habit make it a good ground cover, though it can be difficult to establish and grow well. It is also used in perfumery for its delicate scent.

Chimaphila umbellata, the umbellate wintergreen, pipsissewa, or prince's pine, is a small perennial flowering plant found in dry woodlands, or sandy soils. It is native throughout the cool temperate Northern Hemisphere.

Notes

There are 4 Chimaphila species. They are in Europe and North America. Also put in the family Pyrolaceae.

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