Introduction of Pang Da Hai:Boat-fruited Sterculia Seed or Semen Sterculiae Lychnophorae.

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:Antitussives Herbs.

 TCM Herbs Icon02 Introduction: Antitussives herbs: an agent or substance herbs that stops coughing.

 
Semen Sterculiae Lychnophorae(Boat-fruited Sterculia Seed).

Boat-fruited Sterculia Seed:herb photo Pin Yin Name: Pànɡ Dà Hǎi.
 English Name: Boat-fruited Sterculia Seed.
 Latin Name: Semen Sterculiae Lychnophorae.
 Property and flavor: cold, sweet.

 Brief introduction: The herb Semen Sterculiae Lychnophorae is the dried ripe seed of Sterculia lychnophora Hance(family Sterculiaceae), used (1).to clear the lung of heat for relieving sore throat, hoarseness and cough, and (2).to moisten the intestines for relieving constipation.

 ✵The herb Semen Sterculiae Lychnophorae(Boat-fruited Sterculia Seed) is the dried ripe seed of Sterculia lychnophora Hance, it is a plant of Sterculia Linn. Genus, the Sterculiaceae family of the Malvales order. It is also known as Boat-fruited Scaphium Seed, Seed of Boat-fruited Sterculia, Pànɡ Dà Hǎi.

 Sterculia lychnophora Hance.:fruits grow on tree Common official herbal classics and other famous herbal classics defined the herb Semen Sterculiae Lychnophorae(Boat-fruited Sterculia Seed) as the dried ripe seed of:(1). Sterculia lychnophora Hance. This commonly used species is introduced as:

(1).Sterculia lychnophora Hance.


 Botanical description: Deciduous trees, up to 40 meters tall. The bark is rough and pinstriped. Leaves alternate; Petiole length 5~15 cm; Leaf blade leathery, oblong ovoid or slightly triangular, 10~20 cm long, 6~12 cm wide, apex obtuse or acute, base rounded or subcordate, entire or with 3 lacunae, smooth glabrous, subreticulate veins conspicuous. Panicles terminal or axillary, flowers heterologous; Calyx campanulate, 7~10 mm long, deeply lobed, lobes lanceolate, persistent, outside stellate pilose; Male flowers with 10~15 stamens, anthers and filaments are sparsely pubescent, sterile carpels are pubescent. Female flowers with 1 pistil, consisting of 5 pubescent carpels, with 1 slender ovary stalk, stigma 2-5 lobed, stamens as a cluster of anthers without filaments, encircled by the ovary. Follicles 1~5, funicular, up to 24 cm long, base 5~6 cm wide, dehiscent before maturity, containing 1 seed. Seeds elliptic or oblong, sometimes fusiform, 1.8~3 cm long, 1~1.6 cm in diameter, dark brown or russet, surface sparsely craggy, umbilicus at the ventral underside and askew.

 Sterculia lychnophora Hance.:fruits grow on tree Ecological environment: The tree grows in tropical areas. Resource distribution: The tree mainly distributes in Guangdong, Hainan, also was introduced to Xishuangbanna of Yunnan province of China. It also distributes in the area of Southeast Asia.

 Growth characteristics: The tree rows in tropical areas, the average annual temperature in the introduced zone is 21~24.9 ℃. It prefers sunlight, drought tolerant, not strict requirements on the soil, grows well in sandy loam, yellow loam and red loam soil. It is advisable to choose well-drained and windproof areas for planting.

 Characters of herbs: seed elliptic, olive-like, 2~3 cm long, 1.1~1.8 cm in diameter, slightly pointed at both ends. Surface yellowish-brown or brown, slightly lustrous, with irregular fine wrinkles, base slightly pointed, with the pale round navel. Seed coat outer layer very thin, brittle, easy to fall off; The middle layer seed coat is thicker, dark brown, thin-walled tissue, and is fragile. After soaking in water, it rapidly expands into a spongy shape and causes the outer seed coat to break. Inner coat reddish-brown, slightly leathery, exfoliate with the middle layer. Endosperm hypertrophy pale yellow, 2 cotyledons, thin, yellow, close to the endosperm square. Smells light, taste light sweet, long chewing sticky. Large, firm, brown, fine wrinkles and luster are preferred.

 Pharmacological actions: ①.relieving diarrhea; ②.diuretic; ③.antihypertensive effect.

 Medicinal efficacy: Clear heat and moisten lung, relieve sore throat and detoxify. Indicated for the treatment of dry cough without phlegm, throat pain, hoarseness and muted, bone steaming and endogenous heat(hectic fever due to Yin deficiency), vomiting blood epistaxis and discharging blood, red eyes, toothache and hemorrhoid leakage.

 Administration of Semen Sterculiae Lychnophorae(Pànɡ Dà Hǎi): 
 
Reference: Administration Guide of Semen Sterculiae Lychnophorae(Pànɡ Dà Hǎi)
TCM Books: Internally:2~3 pieces,take after being infused in hot water,or water decoction(CP), or water decoction,1.5~3 qian(about 4.5~9 grams),or brewing as tea(DCTM); 2~4 pieces, water decoction or take after being infused in hot water, big dosage could be 10 pieces; grinded to fine powder and prepared to powder, half dosage(CHMM).

 
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References:
  • 1.Introduction of Pang Da Hai:Boat-fruited Sterculia Seed or Semen Sterculiae Lychnophorae.
  • 2.TCM Books:DCTM(Dictionary of the Chinese Traditional Medicine),CHMM(Chinese Herbal Materia Medica).

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