Corydalis yanhusuo

Rhizoma Corydalis turchanovii

Turtschaninov corydalis rhizome

[alias] blue sparrow flower, blue flower vegetable, Yuanhu.

[source] it is the tuber of Corydalis tursch aninovii Bess.

[plant morphology] perennial herb, 8-25cm high. The stem is a little thick, growing in the axils of scale leaves, and the scale leaves are larger, 2 cm long. There are 2-3 leaves on the upper part of the stem, 6-8 cm in length, 2-3-lobed, leaflets lanceolate or narrowly obovate, entire. Raceme terminal; petals 4, blue purple, upper lip apically 2-lobed, with short tip, rectangular cylinder, lower lip 2-lobed; stamen 6; pistil 1, strip-shaped. Capsule nearly moniliform, 1.5cm long. The flowering period is from April to May and the fruiting period is from June to July.

It grows under sparse forest or forest edge shrub, hillside slightly wetland. It is produced in Northeast China.

[harvest] the same as yanhusuo.

[character] tuber is oblate, wide conical or thin conical, 0.5-2.5cm in diameter. The surface is bright yellow or yellow. There are a few pimple like lateral tubers at the upper end and adventitious root marks at the bottom. It is hard, with bright yellow cross section, horny and waxy luster. It tastes bitter.

[chemical constituents] it contains Corydalis a, B, C, D, tetrahydroberberine, palmitic acid, stigmasterol, oleic acid, linoleic acid, linoleic acid, saponin, etc.

It is the same as Corydalis yanhusuo.