Pinellia pedatissima

Pinellia pedatissima

(Nanjing folk herbs)

[synonym] one legged lotus and one horned Lotus (Nanjing folk herb).

[source] it is the tuber of Pinellia pedatissima.

[plant morphology] Pinellia pedatissima

Perennial herbs. Tubers subglobose, similar to Pinellia ternate, but larger, about 4 cm in diameter. Petiole slender weak, light green, 45-65 cm long; leaf palmately divided, leaflets 9-11. Fleshy inflorescence terminal, petiole and petiole as long as or slightly longer; spathe pale green, lanceolate, lower tube shaped, oblong, apex acute, 8-14 cm long; flowers unisexual, apetalous, monoecious; male flowers in the upper end of inflorescence, stamens densely cylindrical, about 6 mm long, with banana aroma; female flowers in the lower part of inflorescence, attached to bracts, about 1.5 cm long; Inflorescence apex appendage linear, ca. 9 cm, slightly curved. Berry ovoid, green, 4-5 mm long, 2-3 mm in diameter, containing 1 seed. The flowering period is from June to July.

It is wild on hillsides and fields. It is distributed in Hebei, Yangtze River Basin and southwest China.

[collection] from June to July, the tubers were dug out, the soil was cleaned, the fibrous roots were removed, put into the basket, soaked in water, stirred, rubbed off the skin, dried or dried, and then smoked with sulfur yellow to make the color white.

[medicinal material] tuber is nearly spherical, 3-4cm in diameter, rough and brown, with the base of withered petiole. The peeled skin is white and powdery, with fine concave spots scattered on the upper part, which is difficult to distinguish from Pinellia ternata in appearance, but the general shape is relatively large.

This product is used as Pinellia ternata in Jiangsu, Hebei, Henan, Shanxi and other places. The difference between the two, detailed "Pinellia" article.

[nature and taste] Guangxi Traditional Chinese medicine annals: "it is pungent, flat and poisonous. "

[functions and indications] ① Nanjing folk herbs: "treating swelling and poison". "

② "Treatment of snakebite and nameless swelling poison. "

Usage: the dosage of tamping and external application.