Blog 267 -365
This tree is native to eastern Asia, especially China and Japan. Others common names include Chinese pagoda tree, Styphnolobium japonicum, Japanese pagoda tree, and Chinese Scholar.
Bloom This tree begins to bloom when 10 to 15 years old. In late summer and early fall, 10- to15-inch upright panicles of mildly fragrant, creamy-white, pea-like flowers are produced at the ends of branches and live about a month.
Seeds Flowers are replaced by ornamental yellow seed pods, 6 to 8 inches long, which persist well into the winter and resemble strings of beads.
Bark The young bark is pale gray, becoming furrowed into fibrous, interlaced, scaly ridges.
Sophora japonica, also known as Huai Hua Mi, is edible and often used as a cool Chinese herb to stop bleeding.
Fruits as a source of sophorose and rutin drugs.
Main chemical constituents are triterpenoids, flavonoids, betulin, sophoradiol, flower oil, and tannin. Triterpenoids mainly include azukisaponinⅠ, Ⅱ, Ⅴ, soyasaponin I, Ⅲ, and kaikasaponin Ⅰ, Ⅱ, Ⅲ. Flavonoids mainly include quercetin, rutin, isorhamnetin, isorhamnetin-3-rutinoside, and kaempferol-3-rutinoside. And flower oil contains fatty acids, such as lauric acid, dodecenoic acid, tetradecenoic acid, teradecadienoic acid, palmitic acid, hexadecenoic acid, stearic acid, octadecadienoic acid, octadecatrienoic acid, arachidic acid and β-sitosterol.
The fruit is expert in stopping bleeding and lowering blood pressure; root bark and leaf are skilled in curing sore. In addition, its shoots and seedling are also used medicinally. According to Ben Cao Gang Mu (Compendium of Materia Medica), its newborn shoots and seedling can be consumed as vegetable or tea. And Bao Pu Zi, literally “Book of the Master Who Embraces Simplicity”, and Ming Yi Bie Lu (Appendant Records of Famous Physicians) say that this herb is one of the best brain tonics, which can improve hair color and live longer if only people take it earlier.
It has long been planted as shade tree thanks to its rapid growth rate and an immense size.