The plant is poisonous.
Application
Hollow-rooted larch spore has not been widely used as a medicinal plant. Extracts of the root have a weak analgesic and sedative effect. The root also has some anti-inflammatory and anti-allergenic effect. Larch spore has been studied for its effect against certain forms of cancer, it may have an inhibitory effect on tumors.
Ingredients
The root contains the alkaloid bulbocapnine.

Corydalis cava (L) Schw.et K.
Photo of page in Joachim Burser's herbarium.