Steroidal saponins and lignan glycosides from the rhizomes of Paris polyphylla var. latifolia

• Nine compounds were isolated from Paris polyphylla var. latifolia for the first time. • The isolation of the two steroidal saponins confirmed that the species belongs to genus Paris. • The seven lignans were firstly isolated from genus Paris. • They may serve as potential chemotaxonomic makers for the species.