various plant organ segments including segments from roots (root tip, and root collar), stems, leaves, and also seeds of several hyoscyamus species (i.e. h. pusillus, h. arachnoideus, annual and biennial h. niger from two distinct geographical regions) were cultured on ms media with various growth regulator combinations, to assess the ability of flower production. statistical assessments showed...

The routine quality control of a herbal drug preparation requires the identification and determination of the contents of the active ingredients in the product. Measurement alone is not sufficient; it is also necessary to know how objectively to evaluate the experimental results . There are 6 Hyoscyamus (Solanaceae) species growing in Turkey, none of which are endemic. Hyoscyamus (Solanaceae) s...

Numerical taxonomy and seed storage protein analysis of Hyoscyamus species of Iran was carried out with the aim to illustrate species inter-relationship and to check the sub-generic taxonomic treatment proposed for the genus. Cluster analysis of morphological and protein data grouped the species in three separate clusters which supports the relationships of H. niger with H. reticulatus and H. k...