Medicinal Herbs: Gentian and Jewelweed Uses

In this seasonal guide to herbal medicine, learn to identify, harvest, and use two members of the natural medicine cabinet : jewelweed, a traditional poison ivy remedy; and gentian, a digestive aid and anti-inflammatory.
By Corinne Martin
October/November 1992
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Gentian's primary medicinal use is as an herbal bitter: it stimulates the digestive juices.
FOTOLIA/PAUL
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Jewelweed often stands in full bloom, carrying its odd-shaped, speckly blossoms. This herb is a wonderful poison ivy remedy, and I always gather a large bunch to keep in my medicine cabinet. I also break off a few of the pretty plants for my plant press—the shock of orange blossoms is beautiful against the ivory pages of my notebook. 

Medicinal Jewelweed Uses

Jewelweed has a fairly specific and limited medicinal use, but is effective and good to know about in survival situations. Freshly crushed and rubbed onto the skin, the plant helps control the itching of a variety of irritations and is a traditional remedy for poison ivy. If rubbed immediately onto the affected areas, or used as a strong wash after exposure to poison ivy, jewelweed can prevent or alleviate the allergic reaction. A poultice or strong wash (used separately or together) can also heal a rash that has developed. Because jewelweed, in addition to its other attributes, has fungicidal properties, it can help repel an itchy and uncomfortable case of athlete's foot.

Jewelweed Plant Description

The jewelweed is a tall, pretty plant that thrives in wet woods, shady meadows, and along stream banks. Commonly known as the "touch-me-not," the two species of jewelweed can be used interchangeably for many medicinal purposes. In both species, the flower is attractive, though oddly shaped, and some people plant this herb solely for its ornamental attributes. The leaves grow along a pale green stem, are softly toothed, and repel water. In fact, jewelweed got its name because drops of rain or dew bead up like tiny crystal droplets on the plant's leaves. These oval- or egg-shaped leaves have pale undersides and grow up to three inches in length. The entire plant height can grow up to six feet tall.

In the spotted touch-me-not, Impatiens capensis, blossoms are vibrant orange with reddish-brown spots. The one-inch long flower dangles from a long stalk, and each flower has a sharply curved spur at the rear. In the pale touch-me-not, Impatiens pallida, the blossom is similar in shape, but is bright to pale yellow with only a few pale brownish spots in its throat. This blossom gets a bit larger, up to 1 1/2 inches long and is about as wide as it is as long. However, the rear spur is somewhat shorter than in the Impatiens capensis. In both species, flowers blossom from early summer through fall. They also bear a fruit that looks like a swollen capsule and explodes audibly when touched—hence the name "touch-me-not." The capsule splits into two tight spirals, then flings the seed onto the ground.

Harvesting Jewelweed

All of the above-ground plant can be used. Gather any time it is flowering. If using jewelweed in the wild, simply crush and apply it to the affected area. If using it at home, pour a small amount of boiling water over the fresh plant soon after gathering, let it steep for half an hour, and apply the liquid as a wash several times a day. If not using the plant immediately, purée it in a blender with a little water, and then freeze in ice-cube trays for later use.

Jewelweed Dosages

Crush a fresh plant and apply to affected skin as a poultice, changing it several times daily. Or make a strong tea, pour it over a cloth, and apply directly to the skin. Hold the poultice in place with gauze. If large areas of skin are irritated, use a large container to make a strong tea and pour into a bathtub. Soak for 15 to 20 minutes, several times a day in the jewelweed bathwater.

Gentian

The other day I drove over to the lake to see how the gentian was doing. It grows near the water, in a stand that edges the woods along a tiny, dirt road. The newest blossoms are pale, deep blue. As they get older, the flowers will turn dark purple, and then start to collapse inward, browning at the edges. I gathered as many of the plants as I could to make a tincture and some tea. 

Gentian Medicinal Uses

Gentian's primary medicinal use is as an herbal bitter. The plant, taken before meals, stimulates the flow of digestive juices, readying the body to digest and assimilate eaten food. Gentian also stimulates the flow of saliva, bile, and gastric juices, helping to empty the stomach. The herb is especially useful as a digestive aid after a heavy meal (when there is no chance for exercise afterward) and relieving heartburn in cases where the digestive processes are weak.

Several of gentian's compounds are anti-inflammatory, and therefore can be used in the case of mild fevers or joint inflammations. Of course, if fever or other problems persist, see your doctor.

Gentian Plant Description

The Gentiana species comprise a large group of wildflowers that grow in damp woods and meadows. Most of the species found in the northeast have flowers with five petals, lavender to purple in color. In most regional species, the leaves grow opposite each other along the stem and form a whorl at the top of the plant, just beneath the terminal flower cluster. The plant reaches 1 1/2 feet in height. Gentian is difficult to find in some states, so consulting your local plant society or field guide will save some time.

The closed or bottle gentian, G. clausa, has oval-shaped leaves up to four inches long, with smooth margins and pointed tips. The deep blue tubular flowers are closed at the tip and look like long buds. The blossoms are up to 1 1/2 inches long and generally occur at the top of the plant.

The fringe-tipped closed gentiana, G. andrewsii, is similar, but hard to find. The blossoms have fringes between the flower lobes at the tip of the flower. The narrow-leaved gentian, G. linearis, has similar flower parts, but inwardly bent tips. The leaves are narrow and lance-shaped. This species grows mainly in the north, in woods and meadows.

Stiff gentian, G. quinquifolia, has funnel-shaped blossoms with fringed tips. The flowers appear more open than the bottle species and are pinkish to lavender, occasionally white. The leaves are opposite, and upper leaves clasp the squarish stem.

Harvesting Gentian

The whole plant is used, and all of the different Gentiana species may be used interchangeably. Pull up the plant—root and all—when it is in full flower. Because the fresh plant is strongest, a fresh plant tincture is best for preserving its medicinal properties. Rinse soil from roots, chop all plant parts into 1/2 inch pieces, and place in alcohol for two weeks.

To dry the plant for later use as tea, rinse off soil, bundle the stems together, and hang upside down in an airy place away from sun.

Gentian Dosages

Use five to 10 drops of the fresh-plant tincture in warm water for 15 to 20 minutes before each meal. Swish the mixture around the mouth like a mouthwash, so that the bitter taste stimulates the digestive processes. For tea, add 1/2 to one teaspoon of fresh or dried chopped plant material to one cup of boiling water. Let steep 10 minutes.

Caution: Using gentian in excess may cause nausea, vomiting, or diarrhea. Follow the suggested dosage. 


Corinne Martin, a graduate of the Institute of Traditional Herbal Medicine in Santa Fe, NM, is a certified clinical herbalist who has studied plants for over a decade. This passage is from her book Earthmagic: Finding and Using Medicinal Herbs (The Countryman Press).  


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Post a comment below.

 

SwamperTom
7/2/2012 10:15:11 PM
Obviously you guys don't know about Sedum, it works very well at relieving itches from most any source including wasps, mosquitoes, sweat bees, and yes, even poison plants. I always have it around, and it's saved me many many times.

Roland St. Germain
8/17/2008 7:43:36 PM
Jewelweed article: Could anyone Please tell me how to harvest this plant 1: for replanting or growing. 2: to use in soaps or salve. Do I use the whole plant except root, or only the young tnder areas at top of plant? Chop up the plant to use or mill it or what? 3: Does anyone have a recipe for jewelweed soap or any soap for that matter and directions how to make? Any help would be greatly appreciated.








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