نوع مقاله : مقاله پژوهشی
چکیده
کلیدواژهها
موضوعات
عنوان مقاله [English]
In this research Centaurea bruguierana (DC.) Hand. from Asteraceae (Section Tetramorpheae) have been studied using taxonomic properties from morphologic, anatomic and palynological view points. Critical morphologic properties in this study are trichome-cover, Capitule inflorescence, achene fruit, and seed shape.
Anatomical studies of the leave in studied species showed that this species has polycellular trichomes. As well the mesophyll type of the leave is that of isobilateral.
Palynological characters are performed by Scan Electron Microscopy. In this studied species the pollen grains are symmetric and isipolar, tricolporate. The pollen grains shape in equatorial view are prolate. In Polar view the pollen had a spheroidal shape. The pollen grains had three Colpi and pore in the equatorial area. The pollen grains type are of Trizonocolpate and tectum is of the echinate type. The pollen grains type are of Trizonocolpate and tectum is of the echinate type. . . . . . .
کلیدواژهها [English]
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