Abstract

The seed morphology of 14 Cuscuta taxa from Turkey were studied to determine the importance of seed coat characteristics from taxonomic characters by light (LM) and scanning electron microscopy (SEM). Seed shapes, sizes, epidermal cell shapes, anticlinal/periclinal cell walls, and surface patterns belong to the macro and micro morphological characteristics were presented. Seed epidermis cell shapes are generally either irregonal or diametric polygonal. The periclinal cell wall has four varieties, compared to the three types of anticlinal cell walls. The surface pattern is mostly reticulate. This research revealed that the genus Cuscuta has a diverse seed morphology. Cuscuta and Grammica subgenus showed similar characteristics, whereas Monogynella subgenus showed quite different characteristics. The results will help in the taxonomic assessment of closely related species

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