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Botanical Name: Gentiana lutea
Species: G. lutea
Synonyms : Asterias hybrida. Asterias lutea. Coilantha biloba. Gentiana major.
Common Names: Great yellow gentian, Yellow Gentian, Bitter root, Bitterwort‘, Centiyane and Genciana
Habitat: Gentiana lutea is native to central & southern Europe . It grows in grassy alpine and sub-alpine pastures, usually on calcareous soils.
Gentiana lutea is a herbaceous perennial plant, growing to 1–2 m (3.3–6.6 ft) tall, with broad lanceolate to elliptic leaves 10–30 cm (3.9–11.8 in) long and 4–12 cm (1.6–4.7 in) broad. The flowers are yellow, with the corolla separated nearly to the base into 5–7 narrow petals. It grows in grassy alpine and sub-alpine pastures, usually on calcareous soils.It is not frost tender. It is in flower from Jul to August. The flowers are hermaphrodite (have both male and female organs) and are pollinated by Bees, flies, beetles, lepidoptera……CLICK & SEE THE PICTURES
In general, gentians require a moist well-drained soil in a sheltered position, a certain minimum of atmospheric humidity, high light intensity but a site where temperatures are not too high. They are therefore more difficult to grow in areas with hot summers and in such a region they appreciate some protection from the strongest sunlight. Most species will grow well in the rock garden. This species is easily grown in any good garden soil so long as it is deep enough to accommodate its roots, though it prefers alkaline conditions. It prefers full sun but succeeds in partial shade. A slow-growing plant, it takes many years to reach its full stature. A moisture loving plant, growing well by water, it prefers to grow with full exposure to the sun but with plenty of underground moisture in the summer and it grows better in the north and west of Britain. Plants are very deep-rooted and are intolerant of root disturbance. They are very long lived, to 50 years or more. A very ornamental plant, it takes about 3 years to reach flowering size from seed. Cultivated as a medicinal plant in Europe.
Seed – best sown as soon as it is ripe in a light position in a cold frame. It can also be sown in late winter or early spring but the seed germinates best if given a period of cold stratification and quickly loses viability when stored, with older seed germinating slowly and erratically. It is advantageous to keep the seed at about 10°c for a few days after sowing, to enable the seed to imbibe moisture. Following this with a period of at least 5 – 6 weeks with temperatures falling to between 0 and -5°c will usually produce reasonable germination. It is best to use clay pots, since plastic ones do not drain so freely and the moister conditions encourage the growth of moss, which will prevent germination of the seed. The seed should be surface-sown, or only covered with a very light dressing of compost. The seed requires dark for germination, so the pots should be covered with something like newspaper or be kept in the dark. Pot up the seedlings into individual pots as soon as they are large enough to handle and grow on in light shade in the greenhouse for at least their first winter. The seedlings grow on very slowly, taking 2 – 7 years to reach flowering size. When the plants are of sufficient size, place them out into their permanent positions in late spring or early summer. Cuttings of basal shoots in late spring.
Edible Uses: Condiment…….The root is sometimes used in the manufacture of gentian bitters. The root contains sugar and mucilage(this is probably a reference to its medicinal properties). The root was occasionally used as a flavouring in beer before the use of hops (Humulus lupulus) became widespread.
Chemical Constituents: The bitter principles of gentian root are secoiridoid glycosides amarogentin and gentiopicrin. The former is one of the most bitter natural compounds known and is used as a scientific basis for measuring bitterness.
Gentian root has a long history of use as a herbal bitter in the treatment of digestive disorders and is an ingredient of many proprietary medicines. It contains some of the most bitter compounds known and is used as a scientific basis for measuring bitterness. It is especially useful in states of exhaustion from chronic disease and in all cases of debility, weakness of the digestive system and lack of appetite. It is one of the best strengtheners of the human system, stimulating the liver, gall bladder and digestive system, and is an excellent tonic to combine with a purgative in order to prevent its debilitating effects. The root is anthelmintic, anti-inflammatory, antiseptic, bitter tonic, cholagogue, emmenagogue, febrifuge, refrigerant and stomachic. It is taken internally in the treatment of liver complaints, indigestion, gastric infections and anorexia. It should not be prescribed for patients with gastric or duodenal ulcers. The root, which can be as thick as a person’s arm and has few branches, is harvested in the autumn and dried for later use. It is quite likely that the roots of plants that have not flowered are the richest in medicinal properties. The German Commission E Monographs, a therapeutic guide to herbal medicine, approve Gentiana lutea as a tonic.
Known Hazards : Contraindicated with gastric or duodenal ulcer patients. Possible headaches, nausea and vomiting.
Disclaimer : The information presented herein is intended for educational purposes only. Individual results may vary, and before using any supplement, it is always advisable to consult with your own health care provider.