MORPHOLOGICAL AND PALYNOLOGICAL STUDIES ON CIRSIUM BAYTOPAE DAVIS&PARRIS AND CIRSIUM BULGARICUM DC. (ASTERACEAE)

Cirsium baytopae Davis&Parris has been recently (1975) described as a new species with the specimen collected from Turkish Thrace and introduced to the world. This new species is closely related to C. bulgaricum DC., from which it differs in several morphological characteristics. These two species have been observed morphologically and palynologically in details and the differences between them have been discussed.