title: Features of morphology and ultrasculpture of fruits of some rare xerophytic Asteraceae species
abstract: Ultrastructure of the achenes surface in seven rare Asteraceae taxa: Artemisia alpina Pall. ex Willd., A. hololeuca M. Bieb. ex Besser., Jurinea cretacea Bunge, Klasea radiata (Waldst. &amp; Kit.) Á. Löve &amp; D. Löve subsp. tanaitica (P.A. Smirn.) L. Martins, Pentanema salicinum (L.) D. Gut. Larr., Santos-Vicente, Anderb., E. Rico &amp; M.M. Mart. Ort., Ptilostemon echinocephalus (Willd.) Greuter. and Xeranthemum annum L., were examined using scanning electron microscopy (SEM). The study revea
journal: Botanica Pacifica