Dioscorea polystachya Rhizome

DEFINITION

The article consists of the dried rhizomes of Dioscorea polystachya Turcz. (Family Dioscoreaceae) from which fibrous roots and periderm have been removed. It is collected in winter after the leaves and stems have withered. It meets the Acceptance criteria under the Assay.

SYNONYMS

Dioscorea batatas Decne.

Dioscorea decaisneana Carrière

Dioscorea doryphora Hance

Dioscorea potaninii Prain et Burkill

Dioscorea pseudobatatas (Hauman) Herter

Dioscorea rosthornii Diels

Dioscorea ...