The China Pharmacopoeia stipulates that the medicinal part of asarum is

Answer: d

Asari is the dry root and rhizome of Asarum. Schmidt var. Mandshuricum (maxim. )Kitag。 Asarum. var。 Asarum tenuifolium Aristolochiaceae The first two species are commonly called "Liaodong Asarum". The medicinal parts of asarum are roots and rhizomes. Answer d