Asparagus Longxuan

Asparagus Longxuan

(Tibetan Plateau medicine atlas)

[synonym] Potamogeton linearius (medicinal plant in desert area of China).

[source] it is the whole plant of Potamogeton lemaneiformis.

[plant morphology] Gracilaria lemaneiformis

Perennial submerged herbs. Stem slender, linear, about 1-1.5 mm in diameter. Leaves linear or filiform, 3-10 cm long; stipules sheathed, 2-3 cm long, membranous. Peduncle is thin and weak, spike is 1-4 cm long, composed of 2-6 rings of interrupted clusters; perianth is 4 pieces, green, tweezers arranged; stamen is 4, without filament; carpel is 4, sessile, separated. Drupe elliptic or broadly ovate, ca. 3-4 mm long, apex shortly beaked, abaxially ridged or rounded, ventrally flat or slightly depressed. The flowering period is from June to July.

In ponds, swamps or ditches. It is distributed in Northeast and northwest of China.

[collection] harvest from June to July, wash away the sludge and dry it in the air.

[nature and taste] medicinal plants in desert areas of China: "slightly bitter, cool. "

[function indications] medicinal plants in desert areas of China: "clearing heat and detoxifying. Treat pneumonia, sores and boils. "

[usage and dosage] oral administration: decoction, 1-2 yuan. External use: decoct, boil and apply ointment.

Chinese PinYin : Long Xu Yan Zi Cai