Noun
A fungus indigenous to the Tibetan plateau, Ophiocordyceps sinensis, which parasitizes various caterpillars.
Any fungus of closely related species in genera Ophiocordyceps and Cordyceps, both in order Hypocreales.
The O. sinensis fungus and host caterpillar body used in traditional Chinese medicine.
Source: en.wiktionary.orgThe collection of caterpillar fungus (Cordyceps sinensis, known in Tibetan as Yartsa Gunbu) in late spring / early summer is in many areas the most important source of cash for rural households. Source: Internet
The main herb used is stated to be Cordyceps sinensis (caterpillar fungus), whose productive buds are available in the hills of Bhutan. Source: Internet