Fig. 6From: Stomata variation in the process of polyploidization in Chinese chive (Allium tuberosum)Comparison of chloroplast numbers in the guard cells of Chinese chives with different ploidy levels (scale bar = 20 μm). a Chloroplasts in diploids. b Chloroplasts in triploids. c Chloroplasts in tetraploids. d Chloroplasts in pseudopentaploids. e Chloroplasts in pseudohexaploidsBack to article page