Introduction of Shi Di:Persimmon Calyx or Calyx Kaki.

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 the flow of Qi.

 TCM Herbs Icon10 Introduction: Herbs regulating the flow of Qi: also known as Qi-regulating herbs, an agent or substance that regulates the activity of Qi to treat Qi stagnation or adverse Qi flow, also known as Qi-moving herbs.

Calyx Kaki(Persimmon Calyx).

Calyx Kaki:herb photo Pin Yin Name: Shì Dì.
 English Name: Persimmon Calyx.
 Latin Name: Calyx Kaki.
 Property and flavor: neutral, bitter, puckery.

 Brief introduction: The herb Calyx Kaki is the dried persistent calyx of Diospuros kaki L.f.(family Ebenaceae), used to direct Qi downward for stopping hiccups. The herb is commonly known as Calyx Kaki, Persimmon Calyx, Shì Dì.

 Botanical source: Official herbal classics and other famous herbal classics defined the herb Calyx Kaki(Persimmon Calyx) as the dried persistent calyx of the species (1).Diospyros kaki Thunb. It is a plant of the Diospyros Linn genus, the Ebenaceae family of the Ebenales order. This commonly defined species is introduced as:

(1).Diospyros kaki Thunb.

 Diospyros kaki Thunb.:tree with fruits Botanical description: The tree is commonly known as Shì. A deciduous large tree, it usually grows up to 10~14 meters or above, chest-high diameter grows up to 65 cm, old trees grow up as high as 27 meters; Bark is dark gray to grey-black, or yellowish-grey-brown to brown, furrow more dense, fissure long square block; Crown is spherical or oblong, an old crown diameter of 10~13 meters, grows up to 18 meters.

 Branches spreading, greenish to brown, glabrous, scattered oblong or narrow oblong lenticels longitudinally cleft; Young shoots are initially arrowed, brown pilose or tomentose or glabrous. Winter buds are small, ovate, 2~3 mm long, apex obtuse.

 Diospyros kaki Thunb.:tree with fruits Leaves are papery, elliptic to obovate or suborbicular, oval usually larger, 5~18 cm long, 2.8~9 cm wide, apex acuminate or obtuse, base cuneate, blunt, round or nearly cross-sectional shape, rarely to heart-shaped, new leaves scanty living pilose, old leaves glossy at the front part, dark green, glabrous, green at the backside, pilose or glabrous, midrib concave on it, has a slightly pilose, raised below, lateral veins 5-7 on each side, on the flat or slightly concave, slightly convex, below the lower pulse is longer, shorter at upper part, oblique upward, slightly curved, nearly margin net knot, small veins are slender, under the above flat or slightly concave, even form a small mesh; Petiole 8~20 mm long, glabrous, with shallow groove.

 Diospyros kaki Thunb.:tree with fruits Flowers are dioecious, but occasionally male with a few female flowers, female with a few male flowers, the inflorescence is axillary, cymes; Male inflorescence is small, 1~1.5 cm long, bent, pubescent or tomentose, 3~5 flowered, usually 3 flowered; Pedicels ca. 5 mm long, minute bracts; Male flowers are small, 5~10 mm long; Calyx campanulate, hairy on both sides, deep 4-lobed, lobes ovate, ca. 3 mm long, lashes; Corolla is bell-shaped, not twice longer than calyx, yellowish-white, both sides or hairy outside, ca. 7 mm long, 4 cracks, lobes are ovate or cordate, developed, and the two sides have silky hairs or outside ridge long villous, inside nearly glabrous, apex obtuse, 16~24 stamens, grow in corolla tube at the base, even generate right, the front one is shorter, filaments are short, apex pilose, anther elliptical oblong, apex acuminate, connectivum back pilose, degradation of ovary small; Pedicels ca. 3 mm. Female flowers are solitary axillary, ca. 2 cm long, the calyx is green, shiny, ca. 3 cm in diameter or larger, 4 deep cracks, calyx tube is a nearly spherical bell, succulent, ca. 5 mm long, 7~10 mm in diameter, outside densely villous, with silky hairs inside, lobes, broadly ovate or semicircular, pulse, about 1.5 cm long, two hydrophobic v pilose or nearly glabrous, apex obtuse or acute, slightly bent behind to roll on both ends; Corolla is yellowish white or yellowish white and purplish red, urn-shaped or nearly campanulate, shorter than calyx, 1.2~1.5 cm long and each in diameter, 4-lobed, corolla tube nearly 4-rhombic, 6~10 mm in diameter, lobes broadly ovate, 5~10 mm long, 4~8 mm wide, upper part curving outward; 8 stamens, inserted at base of corolla tube, whitish, villous; Ovary suboblate globose, ca. 6 mm in diameter, many with 4 rows, glabrous or pubescent, 8 locules, ovules 1 per locules; Style 4-lobed, stigma 2-lobed; Pedicels 6~20 mm long, densely pubescent.

 Fruit shape, there are spherical, flat spherical, spherical and slightly square, oval, and so on, the diameter is 3.5 to 8.5 cm, the base is usually edge, green when tender, after turning yellow, orange-yellow, flesh crisp hard, old when the flesh becomes soft and juicy, orange-red or red, several seeds; Seeds are brown, elliptic, ca. 2 cm long, ca. 1 cm wide, laterally flattened, usually seedless or with few seeds in cultivated varieties; Persistent calyx increases and thickens after flowering, 3~4 cm wide, 4-lobed, square or nearly round, nearly flat, thickly leathery or nearly woody when dry, with a velvety coat on the outside, later becoming glabrous, densely brown sericeous inside, lobes leathery, 1.5~2 cm wide, 1~1.5 cm long, glabrous on both sides, lustrous; Fruit stalks stout, 6~12 mm long. Its flowering period is from May to June, the fruiting period is from September to October.

 Diospyros kaki Thunb.:ripe fruits The persimmon tree is a deep-rooted tree species, a positive tree species, it prefers a warm climate, sufficient sunshine and deep, fertile, moist, good drainage soil, suitable for neutral soil, able to bear cold, able to bear barren, drought resistance, not resistant to salt and alkali soil. Most varieties of persimmon trees begin to bear fruit 3~4 years after grafting and reach the full fruiting stage 10~12 years later, while the real trees begin to bear fruit at 5~7 years old and the fruiting age is over 100 years.

 Ecological environment: the tree was native to the Yangtze river basin of China, now distributes alongside the Great Wall through the southern Gansu province, into Sichuan and Yunnan, in the south of the line, east to Taiwan, are more cultivated. It is also introduced and cultivated in other areas of East Asia, Southeast Asia, Oceania, France, the United States, North africa, algeria, and other areas.

 Persimmon Calyx:herb photo Characters of herbs: Calyx is dry, calyx covered, apex central with 1 stalk, or decapitate leaving a round hole, middle of calyx thicker, margin 4-lobed, lobes often upturned, easily broken, base connate like a dish, 1.5~2.5 cm in diameter, 1~4 mm thick. The outer surface is reddish-brown, with sparse short hairs on the inner surface and fine yellow-brown short hairs on the inner surface, arranged radially and lustrous, with a round convex scar left by 1 fruit shedding in the center. Thin and light. Without smell, taste astringent. The herb color in red-brown, quality thick, taste astringent, surface with persimmon frost is better.

 Pharmacological actions: The extract of the herb Calyx Kaki can resist the mouse ventricular fibrillation and the rat arrhythmia, and has sedative, hypnotic, and anti-rabbit fertility effects.

 Medicinal efficacy: Calm the adverse-rising energy, down bear Qi. It is indicated for hiccups, retching, ructation, regurgitation.

 Administration of Calyx Kaki(Shì Dì): 
Reference: Administration Guide of Calyx Kaki(Shì Dì)
TCM Books: Internally:4.5~9 grams(CP), Internally:water decoction,2~4 qian(about 6~12 grams), or prepare to pill, powder(DCTM), Internally:water decoction,5~10 grams, prepared to powder. Externally:proper amount, grinded into powder, sprinkle apply(CHMM).

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  • 1.Introduction of Shi Di:Persimmon Calyx or Calyx Kaki.
  • 2.TCM Books:DCTM(Dictionary of the Chinese Traditional Medicine),CHMM(Chinese Herbal Materia Medica).

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