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).

a pile of Boat-fruited Sterculia Seeds 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, 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.

 Herbal classic book 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:

(1).Sterculia lychnophora Hance.

 green fruits of Sterculia lychnophora Hance growing on branches Botanical description: Sterculia lychnophora Hance is a deciduous tree, the tree grows up to 40 meters tall. The bark is coarse and pinstriped. Leaves are alternate; petioles are 5~15 cm long; leaf blades are coriaceous, oblong-ovoid or slightly triangular, 10~20 cm long, 6–12 cm wide, the apex is obtuse or pointed, the base is rounded or nearly cordate (subcordate), entire or with 3 lacunae, smooth and glabrous, subreticulate veins on the undersurface are conspicuous.

 Panicles are terminal or axillary, flowers are monoecious; calyces are campanulate (bell-shaped), 7–10 mm long, deeply lobed, lobes are lanceolate, persistent, the outer surface is covered with stellate pilose; male flowers have 10~15 stamens, anthers and filaments are sparsely pubescent, sterile carpels are pubescent. Female flowers have 1 pistil, consisting of 5 pubescent carpels, with 1 slender ovary stalk, the stigma is 2–5 lobed, and the staminode is a cluster of anthers without filaments, encircle and insert on the ovary.

 1~5 Follicles, shipform, up to 24 cm long, the base is 5~6 cm wide, crack before maturity, containing 1 seed. Seeds are elliptic or oblong, sometimes fusiform, 1.8~3 cm long, 1~1.6 cm in diameter, dark brown or yellow-brown, the surface is sparsely covered with thick wrinkles, hilum is at the ventral underside and deflects.

 many fruits of Sterculia lychnophora Hance growing in a cluster on branch Ecological environment: The tree grows in tropical areas. Resource distribution: The tree is mainly introduced and cultivated in Guangdong, Hainan, and Xishuangbanna of Yunnan, China. The tree is mainly distributed in several countries in Southeast Asia.

 Growth characteristics: The tree was native to tropical areas, and the average annual temperature in the introduced zone is 21~24.9 °C (Celsius, or 69.8~76.82 degrees Fahrenheit). It prefers sunlight and is tolerant of drought in the mature phase, and its requirements in the soil are not strict, and it grows well in sandy loam, yellow loam, and laterite soil. It is better to choose well-drained and windproof fields for planting.

 Characters of herbs: The herb is in an elliptical shape, similar to Chinese white olive, 2~3 cm long, and 1.1–1.8 cm in diameter, slightly narrowing at each end. The surface is yellowish-brown or brown, slightly glossy, has irregular fine wrinkles, and the base is slightly narrowing, with a pale round hilum. The testa (the outer layer of the seed coat) is extremely thin, brittle (crisp), and easy to fall off. The mesosperm (the middle layer of the seed coat) is thick, dark brown, and leptodermous, the texture is loose and fragile, and quickly swells into sponge shape when soaking in water, thus leading to testa cracking, there are scattered resinous dots visible on the fracture surface. The endothelium (inner layer of the seed coat) is reddish brown, slightly coriaceous, and can be peeled off from the mesosperm, endosperm is thickening and yellowish (light yellow). 2 cotyledons, thin, yellow, closely clinging to the inner side of endosperm, as big as endosperm. The herb has a slight smell and a slightly sweet taste, and it is sticky after long chewing. The herb of a better grade has big grains, is firm and brown, and has fine wrinkles and luster.

 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; prepare to finely ground herb powder and prepared to powder, half dosage.




 QR codeURL QR code:
 URL QR-code 

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

 Last edit and latest revision date:
   cool hit counter