Radix Rubiae(Qiàn Cǎo).

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 Regulating blood conditions,Herbs Hemostatics.

 TCM Herbs Icon10 Introduction: Herbs Regulating blood conditions,Herbs Hemostatics: the blood-regulating herbs are an agent or substance herbs that has the effects of regulating blood-including arresting bleeding and activating circulation-and tonifying blood.The herbs hemostatics or hemostatic herbs are an agent or substance that arrests bleeding, either internal or external.

 
Classifications of Herbs.

 TCM Herbs Icon 10 Introduction: The Herbs Regulating blood conditions,Herbs Hemostatics are known including:, , , , , , , , , , , , , , , , , , , .

 ✵Till the date Oct 10th,2019, there are Totally [20] kinds of common TCM herbs, [20] kinds of related plant species, [1] kind of related mineral, are recorded in this category. These Herbs Regulating blood conditions,Herbs Hemostatics are briefly introduced separately:

 
Radix Rubiae(Qiàn Cǎo).

 Radix Rubiae Brief Introduction: The Herb Radix Rubiae is the dried root and rhizome of Rubia cordifolia L.(family Rubiaceae), used to cool the blood, resolve stasis and stop bleeding for treating epistaxis, metrorrhagia and traumatic bleeding. The herb is commonly known as Radix Rubiae, Qiàn Cǎo.

 ✵Common herbal classics and other famous herbal classics defined the herb Radix Rubiae(Qiàn Cǎo) as the dry rhizome and root of the species (1). Rubia cordifolia L. It is a plant of the Rubia Linn genus, the Rubiaceae family of the Rubiales order. This commonly used species is introduced as:

 Rubia cordifolia L. (1).Rubia cordifolia L.: The Rubia cordifolia L., is a plant of the Rubiaceae family and Rubia L. genus, It is commonly known as "Rubia cordifolia", "Common Madder","Qian Cao". Grass climbing vines, usually 1.5~3.5 m long; The rhizomes and fibrous roots on their nodes are all red; Stems numerous, arising from the node of the rhizome, slender, square, 4-ribbed, with obliquely barbed spines on the edges and many branches above the middle.

 Leaves usually 4 whorled, papery, lanceolate or oblong-lanceolate, 0.7~3.5 cm long, apical acuminate, sometimes obtuse, base cordate, margin dentate prickles, rough on both sides, minute prickles on veins; 3 basal veins, very few with 1 pair of small basal veins on the outside. Petiole usually 1~2.5 cm long with inverted spines.

 Rubia cordifolia L. Inflorescences axillary and terminal, often branched, with more than 10 to dozens of flowers, inflorescences and branches thin, with tiny prickles; Corolla yellowish, light brown when dry, corolla cornice in bloom about 3~3.5 mm in diameter, corolla lobes nearly ovate, slightly extended, about 1.5 mm long, glabrous outside. Fruit globose, usually 4~5 mm in diameter, orange when ripe. Its flowering period is from August to September, fruiting period is from October to November.

 Rubia cordifolia L. Ecological Environment: The Rubia cordifolia L., grows in open forests, forest margins, thickets or meadows. Geographical distribution: This species mainly distributed in most areas of China.

 Biological characteristics: prefer warm and humid climate. Adaptable, south. It can be cultivated all over the north and south areas. Fertile sandy loam is suitable for cultivation.

 Rubia cordifolia, perennial climbing herbaceous. Root a few to 10, purple or orange-red skin. Stem four-vector shape, small inverted thorns surfaced. Leaf has 4 crossings, leaf shape changes, oval, triangle-shaped oval, wide oval to narrow oval, 2~6 cm long, 1~4 cm wide, a sharp tip, heart-shaped, below and along the veins are spinibarbus petiole, the entire edge of a pulse 5. Poly cone-shaped umbrella inflorescence; spent small, yellow-white, 5; calyx not obvious; Corolla convergence with a diameter of about 4 mm, 5 bifida; 5 stamens, the corolla tube; ovary-under, two rooms, no hair. Berries spherical, 5~6 mm in diameter, red to black after. Its flowering period is from June to September, fruiting from August to October.

 Rubia cordifolia L. This species widely distributed, the external morphology more variations, in the past it and scholars often distinguish species or some variant. Because we do not fully grasp it with our neighboring regions similar to some kinds of materials and are difficult to make a correct judgment and therefore still suspense from the majority of our plants and pharmaceutical literature, it will be handled as a generalized species.

 Trait identification:The rhizome is nodular, tufted root of unequal thickness. Roots cylindrical, slightly curved, 10~25 cm long, 0.2~1 cm in diameter; Surface reddish-brown or dark brown, with fine longitudinal wrinkles and a few fine root lines; The peeling part is yellow and red. Brittle, easily broken, cutting-section flat and the cortex is narrow, purplish red, the wood part is broad, yellowish red, many tube holes. No odor, slightly bitter taste, long chewing stimulating the tongue.

 
 

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