Dryopteris pigmentosa

Dryopteris pigmentosa

(selected herbs from cloud high school)

Another name: Green Parthenocissus tricuspidata, big fern and green bamboo (Yunnan herbal medicine selection).

[source] it is the rhizome of Dryopteris glabrata.

[plant morphology] Dryopteris glabrata, also known as Dryopteris glabrata.

Perennial herbs, 60-100 cm high. Rhizome thick, transverse, scaly; scales large, ovoid, brown, margin irregular. Leaf blade subcleathery, nearly equal to petiole, 20-30 cm wide, oblong or oblong lanceolate, odd pinnate; pinnae lanceolate, 2-3 cm wide, acuminate, base cuneate, subsessile, or upper part slightly decurrent, entire, with soft bony narrow margin; lateral veins inconspicuous, venules reticulate. The sporangia are round, slightly near the main vein, 1 line on each side.

It grows on stream, rock and forest. Distributed in Yunnan, Guizhou, Guangxi, Guangdong and other places.

[collection] all year round. Slice and dry.

[medicinal material] the dry rhizome is cylindrical, about 13 cm long, often with toe like divergence. The surface is grayish brown with many fibrous root marks or light brown scales. It is hard, the fracture surface is slightly flat, gray white, vascular bundles arranged into rings, and there are many brown dots. Weak Qi and astringent taste. This product is used as Rhizoma Drynariae in Guangxi.

[nature and taste] selected Yunnan Chinese herbal medicines: "astringent, warm, with little poison. "

[functions and indications] 1. Selected Yunnan Chinese herbal medicines: "promoting blood circulation, relieving pain, bone grafting, and detumescence. Treatment of traumatic injuries, fractures. "

② "List of medicinal plants in Guangxi": tonifying the kidney, strengthening the muscles and bones. For lumbago and leg pain. "

[usage and dosage] oral: decoction, 1.5 ~ 3 yuan. External use: grind end to mix wine to apply.