Pinyin name m m m: ti g ē n

English name Large Angiopteris

Alias horseshoe fern

source

The source of medicinal materials: the rhizome of Lilium daguanyinense, a lotus plant in Guanyin.

Latin plant and animal mineral name: Angiopteris magna Ching

Harvest and storage: it can be collected all year round, washed, sliced and dried.

Large perennial terrestrial ferns in original form. The rhizome is hypertrophy and the meat is round. Leaves are large, papery, with one to three pinnate compound leaves; The petiole is thick and long, and there are 1 pairs of large and hard horseshoe-shaped stipules at the base; Pinions alternate, oblong, 45-55cm long and 20-30 cm wide; Feather stalk is dark brown, 6- 12cm long, the first 1 pair of pinna is mostly 3 pairs, and finally there are 7-8 pairs of small pinna, which are broadly lanceolate, with the apex tapering and contracting in a tail shape, with sharp teeth at the edge and a round base; Most of the veins are bifurcated. The sporangium groups are brown, oblong and 2-3mm long, which are close to each other and arranged in two rows along the back edge of the pinnae. Each sporangium group has sporangium 14- 18, and the sporangium has no septa.

Habitat distribution

Eco-environment: Born in shady and humid places such as mountain streams, forests and watersides.

Resource distribution: distributed in southern Yunnan.

Bitter in nature; Astringent; cold

Return to the heart; Lung; Large intestine meridian

Function indication: clearing away heat and toxic materials; Diuretic and dampness-removing; Activating blood circulation to stop bleeding; Removing blood stasis and relieving pain. Main diarrhea; Dysentery; Nephritis edema; Stomach pain; Tuberculosis; Cough up blood; Collapse and leakage; Trauma and swelling; Rheumatalgia;

Administration and dosage: decoction,15-30g; Or at the end of grinding, each time 1.5-3g, 3-6g daily.

Excerpts from Chinese Materia Medica and Dictionary of Traditional Chinese Medicine