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

TCM Herbalism:Medicinals and Classifications. ✵The article gives records of the herb Boat-fruited Sterculia Seed, its English name, Latin name, property and flavor, its botanical source one plant species, ①.Sterculia lychnophora Hance., with a detailed introduction to the botanical features of this plant species, the growth characteristics, and ecological environment of this plant species, the features of the herb Boat-fruited Sterculia Seed, its pharmacological actions, medicinal efficacy, and administration guide.

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.

 Botanical source: 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: The herb is spindle-shaped or oval, 2 ~ 3 cm long and 1 ~ 1.5 cm in diameter. The apex is blunt and round, the base is slightly pointed and crooked, with a light-colored round hilum. The surface is brown or dark brown, slightly shiny, with irregular shrinkage wrinkles. The outer seed coat is extremely thin, brittle and easy to fall off. The middle seed coat is thick, dark brown, parenchymal tissue, the texture is loose and fragile, and swells into sponge when meeting water. There are scattered resinous dots can be seen on the fracture surface. The inner seed coat is reddish brown, which can be peeled off from the middle seed coat, the texture is slightly leathery, with 2 pieces of hypertrophy endosperm, pale yellow and broadly oval. 2 cotyledons, thin, yellow, pressed to the inner side of endosperm, as big as endosperm. The herb has slight smell, mild taste, it is sticky after long chewing. The herb which is large, firm texture, brown, with fine wrinkles and luster is better.

 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: ①.Internally:2~3 pieces,take after being infused in hot water,or water decoction; ②.water decoction,1.5~3 qian(about 4.5~9 grams),or brewing as tea; ③.2~4 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.

Antitussives Herbs.

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