Betula luminifera

Betula luminifera

(Guizhou herbal medicine)

Another name: gougnaw wood (Guizhou herbal medicine).

[source] it is the root of Betula luminifera.

[plant morphology] Betula luminifera, also known as Betula luminifera and lac tree.

Trees, up to 25 m high. The bark is light yellowish brown, dark yellowish gray or reddish brown when it is old, smooth and unbroken, with clear aroma. Leaves ovate to oblong, 5-12 cm long, apex long pointed, base round, tree shaped or truncated, margin compound serrate, apex long pointed, glabrous on the top, sparsely hairy on the bottom, lateral veins 12-14 pairs; petiole 1-2 cm long, densely pubescent and glandular dots. Inflorescence solitary, oblong columnar, pendulous, 3-9 cm long, 6-10 mm in diameter; inflorescence stalk 1-2 cm long; bract 2-3 mm long, middle lobe oblong to lanceolate, lateral lobes ovate, sometimes undeveloped; samara obovate, 2 mm long, membranous wing 2-3 times wider than fruit.

It grows in sunny hillside and mixed forest. It is distributed in Hubei, Sichuan, Guizhou, Yunnan, Guangxi, Guangdong, Fujian and southern Zhejiang.

The bark of this plant (Betula luminifera) is also used for medicine. See special section for details.

[collection] all year round.

[flavor] cool in nature, sweet and pungent in taste.

[function indications] clearing away heat and diuresis. Treatment of adverse urination, edema.

[usage and dosage] oral: decoction, 3-5 yuan.