Indigo Naturalis(Natural Indigo)

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:Herbs Clearing Heat and Counteracting Toxins.

 TCM Herbs Icon05 Introduction:Herbs Clearing Heat and Counteracting Toxins:an agent or substance herbs that counteracts heat toxins or fire toxins, mainly indicated in the treatment of boils, sores, abscess, erysipelas, epidemic infectious diseases, mumps, dysentery, insect or snake bite, and burns.

Classifications of Herbs.

 TCM Herbs Icon 05 Introduction: The Herbs Clearing Heat and Counteracting Toxins are known including:,,, ,,,,,,,,,,,,,,,,,,,,,,,,.

 ✵Till the date Oct 10th,2019, there are totally [28] kinds of common TCM herbs, [43] kinds of related plant species, [3] fungus species, are recorded in this category. These Herbs Clearing Heat and Counteracting Toxins are briefly introduced separately:

Indigo Naturalis(Natural Indigo).

 Indigo Naturalis Brief Introduction: The herb Indigo Naturalis is deep blue powder prepared from the leaves of Baphicacanthus cusia(Nees)Bremek.(family Acanthaceae), Polygonum tinctorium Ait.(family Polygonaceae) or Isatis indigotica Fort.(family Cruciferae), used chiefly for the treatment of eruptive epidemic diseases and high fever in children, and used externally for oral ulcers, mumps, and skin infections. The herb is commonly known as Indigo Naturalis, Natural Indigo, Qīnɡ Dài.

 ✵The herb Indigo Naturalis(Natural Indigo) is the deep blue powder prepared from the leaves of species (1). Baphicacanthus cusia(Nees)Bremek.(family Acanthaceae),(2). Polygonum tinctorium Ait.(family Polygonaceae), or (3). Indigofera tinctoria L.(family Leguminosae), or (4). Isatis indigotica Fort.(family Cruciferae). It is commonly known as "Natural Indigo,Common Baphicacanthus Rhizome and Root". The species (2). Polygonum tinctorium Ait. And (3). Indigofera tinctoria L. are introduced in the above sections under the title "Folium Polygoni Tinctorii(Indigoplant Leaf)" and "Folium Isatidis(Dyers Woad Leaf)". Other commonly used species are introduced as:

 Baphicacanthus cusia Nees Bremek. (1).Baphicacanthus cusia(Nees)Bremek.:  It is commonly known as Mǎ Lán. Herbs perennial, 30~70 cm tall. Stems and leaves appear blue or dark green when dry. Rhizome thick, cross-sectionon is blue. Stem base slightly lignified, slightly square, slightly branched, nodes swollen, brown slightly hairy when young. Leaves opposite; Petiole 1~4 cm long; Leaf blade obovate-elliptic or obovate-elliptic, 6~15 cm long, 4~8 cm wide; Apex acute, slightly obtuse, base gradually tapering, margin lightly serrate or undulate or entire, upper glabrous, densely tapering stalactite lines, lower veins slightly brownish microstuctate on young veins, lateral veins 5~6 pairs. Flowers sessile, sparsely spike, terminal or axillary; Bracts leaf-like, narrowly obovate, caducous; 5 calyx lobes, striate, 1~1.4 cm long, usually one larger, spatulate, glabrous; Corolla funnelform, mauve, 4.5~5.5 cm long, 5-lobed nearly equal, 6~7 mm long, apex slightly concave. 4 stamens, 2 strong, pollen elliptic, striated, striated with two wavy ridges; Ovary superior, style slender. Capsule slightly narrow spatulate, 1.5~2 cm long. 4 seeds, slightly hairy. It is flowering from June to October, fruiting from July to November.

 Baphicacanthus cusia Nees Bremek. Ecological environment: It grows in wild fields or cultivated in moist areas of mountain or forest margins. It is mainly distributed in the Yangtze river area and the Zhujiang river area, southwest of China.

 Trait identification: dark blue powder, light-body, easy to fly; Or an irregular, porous mass, finely twisted by hand. Slightly grass smell, tasteless.


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