New combinations and synonyms inAchillea sect. Santolinoideae (Compositae – Anthemideae) from North Africa and Turkey

A new species of Centaurea sect. Pseudoseridia (Asteraceae) from north-eastern Turkey 27 A new species of Centaurea sect. Pseudoseridia (Asteraceae) from north-eastern Turkey

Centaurea ziganensis Yüzb., M. Bona & İ. Genç, a new species is described and illustrated from Gümüşhane province, NE Turkey. The new species grows in rocky places on the south face of Zigana Mountains, and is closely related to C. drabifolioides, from which it differs mainly in stem, achene and phyllary appendage characters. Micromorphological structures of achenes and karyological features of...

Exudate flavonoid aglycones in the alpine species of Achillea sect. Ptarmica: Chemosystematics of A. moschata and related species (Compositae-Anthemideae).

In completion of our studies on Achillea exudate flavonoids, 11 alpine species of Achillea sect. Ptarmica were analyzed for their aglycone profiles. The study focuses on species commonly associated with A. moschata. The major flavonoid constituents found in exudates of most taxa were 6-hydroxyflavonol 3,6,4'-trimethyl ethers, except in A. ageratifolia and its subspecies, which are characterized...

A new species of Centaurea sect. Pseudoseridia (Asteraceae) from north-eastern Turkey

Centaureaziganensis Yüzb., M. Bona & İ. Genç, a new species is described and illustrated from Gümüşhane province, NE Turkey. The new species grows in rocky places on the south face of Zigana Mountains, and is closely related to Centaureadrabifolioides, from which it differs mainly in stem, achene and phyllary appendage characters. Micromorphological structures of achenes and karyological featur...

Wood Anatomy of Anthemideae, Ambrosieae, Calenduleae, and Articotideae (Compositae)

Tanacetum zahlbruckneri (Compositae-Anthemideae), an enigmatic record from Iran and its phylogenetic position

Tanacetum zahlbruckneriis reported as a new record from northwestern Iran. A complete description, diagnostic characters and a distribution map of T. zahlbruckneriare presented. The phylogenetic position of T. zahlbruckneri in a concise molecular framework based on the sequences of ITS nrDNA data are presented. A taxonomic conclusion about the previously reported samples of this enigmatic speci...