Radix Gentianne Macrophyllae(Large-leaf Gentian Root).

TCM Herbalism:Medicinals and Classifications. ✵The TCM herbalism is also known as pharmaceutics of Traditional Chinese Medicine, or Chinese pharmaceutics, is the branch of health science dealing with the preparation, dispensing, and proper utilization of Chinese herbs. It is majorly composed of Introduction of Chinese Medicinals, Classification of Chinese Herbs, Formulas, and Patent medicines.

Classifications of Herbs:Dispelling Wind-Damp Herbs.

 TCM Herbs Icon06 Introduction: Dispelling Wind-Damp Herbs: an agent or substance herbs that dispels wind and damp, mainly for relieving rheumatism and related conditions.

Classifications of Herbs.

 TCM Herbs Icon 05 Introduction: The Dispelling Wind-Damp Herbs are known including:, , , , , , , , , , , , , , , , , , , , , .

 ✵Till the date Oct 10th,2019, there are totally [22] kinds of common TCM herbs, [47] kinds of related plant species, are recorded in this category. These dispelling wind-damp herbs are briefly introduced separately:

Radix Gentianne Macrophyllae(Large-leaf Gentian Root).

 Large-leaf Gentian Root Brief Introduction: The herb Radix Gentianne Macrophyllae is the dried root of Gentiana macrophylla Pall.Gentiana straminea Maxim., Gentiana dahurica Fisch.(family Gentianaceae), used (1).to dispel wind-damp, relieve arthralgia and clear consumptive heat for the treatment of wind-damp(rheumatic or rheumatoid) pain, and also for fever in phthisis, and (2).to remove damp-heat for treating jaundice. The herb is commonly known as Radix Gentianne Macrophyllae, Large-leaf Gentian Root, Qín Jiāo.

 Gentiana macrophylla Pall. ✵Official herbal classics and famous herbal classics defined the herb Radix Gentianne Macrophyllae(Large-leaf Gentian Root) as the dried root of (1).Gentiana macrophylla Pall., (2).Gentiana straminea Maxim., (3).Gentiana crassicaulis Duthie ex Burk., (4).Gentiana dahurica Fisch. They are plants of the Gentiana. Genus, Gentianaceae family, Gentianales order. These officially defined species and usable species are introduced as:

 Gentiana macrophylla Pall. (1).Gentiana macrophylla Pall.:  It is commonly known as Qín Jiāo. Perennial herbs, 20-60 cm tall. Taproots coarsely long, cylindrical, subtersely slender, not straight, with a few branches, middle much ribbed; The rhizome has many fibrous remnant leaf bases. Stems erect or oblique, cylindrical, glabrous. Basal leaves clustered, sessile, leaf blade lanceolate or oblong-lanceolate, up to 40 cm long, 3-5 cm wide, apex apical, entire, 5 main veins; Stem leaves 3-4 pairs, opposite, smaller, base connate. Inflorescence of many integrated terminals and upper axillary stems; Calyx tube one side dehiscent half, calyx teeth shallow; Corolla tubular, deep blue-purple, ca. 2 cm long, apex 5-lobed, 5 short folds between lobes; 5 stamens, inserted in the middle of corolla tube; Ovary oblong, sessile. Capsule oblong or elliptic. Seed elliptic, wingless, brown, lustrous. Its flowering period is from July to September, fruiting from August to October.

 Gentiana macrophylla Pall. Ecological environment: the plant grows in mountain grasslands, on both sides of streams, on roadside slopes and in thickets with an altitude of 400~2,400 meters. It is distributed in north, northwest, northeast and Sichuan of China.

 Gentiana macrophylla Pall. Trait identification: Root slightly conical, coarsely subserous, 7~30 cm long, 1~3 cm in diameter. The surface is grayish-yellow or brownish yellow, with longitudinal or twisted longitudinal grooves. Root head often bulged, mostly by several rhizomes together, residual stem base has short fibrous leaves basal vascular bundle, the quality is firm, easy to break, section skin yellow or brown-yellow, wood yellow. The smell is special, taste bitter and astringent. The herb with qualitative solid, color brown, thick smell one is better.

 Gentiana straminea Maxim.Gentiana straminea Maxim. (2).Gentiana straminea Maxim.: It is commonly known as Má Huā Qín Jiāo. Perennial herbs, 10~20 cm tall. The taproots are stout and conical. Basal leaves clustered, sessile, leaves larger, lanceolate, apex acute, entire, 5 main veins, main veins broad, raised abaxially; Stem leaves opposite, smaller. Flowers less into cymes, long peduncle; Calyx tube yellow-green, membranous, dehiscent on one side, calyx teeth 2-5, equal length; Corolla tubular, yellow, funnelform, larynx with most green spots, apex 5-lobed, lobes ovoid; 5 stamens, inserted in lower part of corolla tube; Ovary superior, 1 loculus, with 2 lateral membranous placentas. Capsule, 2 dehiscent petals, ellipsoid lanceolate, stalk 7~12 mm. Seeds brown, shiny, narrow oblong. Its flowering period is from July to September, fruiting from August to October.

 Gentiana straminea Maxim. Ecological environment: the plant grows in high mountains, grasslands and streams at altitudes of 2,000~5,000 meters. It is distributed in northwest, southwest, middle reaches of the Yangtze river, and other area of China.

 Gentiana straminea Maxim. Trait identification: The root is conical, 8~18 cm long and 1~3 cm in diameter. The lower part of the taprogeny is divided into many branches or most of them are joined together after they are separated from each other. The quality is crisp, easy to break, the section is more decayed. The herb with qualitative solid, color brown, strong smell is better.

 Gentiana crassicaulis Duthie ex Burk. (3).Gentiana crassicaulis Duthie ex Burk.:  It is commonly known as Cū Jīng Qín Jiāo. Perennial herbs, 20-40 cm tall. The stems are large, most or all of them divided into small roots, twisted together in a right-handed twist. Rhizome with many fibrous remnant leaf bases, stem erect or oblique, cylindrical, glabrous. Basal leaves are clustered, leaves are larger, narrowly elliptic or ellipsoid lanceolate, up to 40 cm long, 4~5 cm wide, apex slightly acute, entire, main veins 5 longitudinal leaves; Stem leaves opposite, smaller. Flower stem stout and short, slightly inclined, flower majority, without peduncle, in the stem top cluster, is a head shape, thin axillary as a wheel shape; Calyx tube dehiscent only on top side, calyx teeth extremely shallow or absent; Floral tube ampulla, 2~2.2 cm long, yellow or blue-purple, ca. 3 cm long, lobes apex slightly pointed, interior spotted; 5 stamens; Ovary oblong, sessile. Capsule, oblong, sessile. Its flowering period is from June to September, fruiting from September to October.

 Gentiana crassicaulis Duthie ex Burk. Ecological environment: the plant grows in alpine meadows, hillside grasslands, thickets and forest margins with an elevation of 2,100-4,500 meters. It is distributed in northwest, southwest area of China.

 Gentiana crassicaulis Duthie ex Burk. Trait identification: Roots slightly cylindrical, stout, much branched, rarely twisted, 12~20 cm long, 1~3.5 cm in diameter. Surface yellowish-brown or dark brown, with longitudinal twisting wrinkles; The root has yellowish petiole residue and fibrous basal vascular bundles. Bitter taste, astringent. The herb with qualitative solid, color brown, thick smell one is better.

 Gentiana dahurica Fisch. (4).Gentiana dahurica Fisch.:  It is commonly known as Xiǎo Qín Jiāo. Perennial herbs, 10~25 cm tall. Roots simple or slightly branched, twisted to the left, slender cylindrical, less than 1 cm in diameter. Basal leaves clustered, with many fibrous remnant basal leaves at base; Leaf blade long, narrowly lanceolate, sessile; Cauline leaves smaller, opposite, sessile, linear-lanceolate to linear, 2~5 cm long, 2~4 mm wide, entire. Flowers often numerous or 1~3, terminal, inflorescence in gyrates; Calyx tube usually not dehiscent, thinly lobed on one side; 5 lobes, untidy, linear, apex acuminate; Corolla dark blue; 5 stamens, filaments linear subulate; Ovary oblong, sessile, style linear, stigma 2-lobed. Capsule elliptic, several corolla lengths. The seeds are light brown and shiny. Flowering period: July to August. Fruiting period: September to October.

 Gentiana dahurica Fisch. Ecological environment: It grows in the ridge of fields, roadside, sandy land, sunny slope and dry grassland with an altitude of 800-500 meters. It is distributed in the north, northwest, southwest and other area of China.

 Gentiana dahurica Fisch.Gentiana dahurica Fisch. Trait identification:The root is long spindle-shaped or cylindrical, 8~20 cm long, 2~9 mm in diameter. The surface is yellowish-brown or brown, with longitudinal or twisted grooves, the outer surface is yellow. Root head fine, simple, occasionally bifurcated, surface transversely textured, apex residual stem base and short fibrous leaf sheath. Taproots are usually 1 or divided into several branches. Crisp, easy to break, cross-section yellow and white. Slight smell, taste bitter, astringent. The herb with qualitative solid, color brown, thick smell one is better.


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