Uncaria macrophylla

Uncaria macrophylla

(list of medicinal plants in Guangxi)

[synonym] daguoding (Guangxi Medicinal Plant List), shuanggouteng (Yunnan Chinese herbal medicine selection).

[source] it is the hook stem branch of Uncaria macrophylla.

[plant morphology] Uncaria macrophylla

Climbing rattan, 12-15 m high. The branchlets are compressed, brown and coarsely hairy, with double hooks on each node, and coarsely hairy when the hooks are young. Leaves leathery, broadly elliptic or oblong, 10-16 cm long, 6-12 cm wide, apex acute, base. Stipules 2-lobed. The inflorescence is spherical, with single leaf axils, 4-4.5 cm in diameter at flowering, 3.5-6.5 cm in peduncle length, with brownish yellow coarse hairs; the flower is pale yellow, about 1.6 cm long, calyx tube long, 5-lobed; the Corolla is tubular, funnel-shaped, 5-lobed. Lobes imbricate; stamens 5; ovary inferior, fusiform, 2-locular. Capsule has long stalk, spindle shape, 1-1.5 Xia meters long, with coarse hair. It blooms in summer.

Growing in shrubbery or mixed forest. Distributed in Yunnan, Guangxi, Guangdong and other places.

The root of this plant (Uncaria macrophylla) is also used for medicine. Please refer to the special section for details.

[collection] collect in autumn and winter, cut into sections and dry in the sun

[chemical constituents] it contains rhynchophylline.

[nature and taste] selected Yunnan Chinese herbal medicines: "sweet and bitter, cool. "

[functions and indications] selected Yunnan Chinese herbal medicines: "clearing heat, calming liver, calming wind and calming shock. Treatment of convulsions, hypertension, nervous headache, osteomyelitis. "

[usage and dosage] oral administration: decoction, 2-5 yuan (not long).