Figure 2 from: Scoppola A, Lattanzi E, Bernardo L (2016) Distribution and taxonomy of the Italian clovers belonging to Trifolium sect. Vesicastrum subsect. Mystillus (Fabaceae). Italian Botanist 2: 7-27. https://doi.org/10.3897/italianbotanist.2.10361

Figure 2 - Comparison between mature calyces of Trifolium subsect. Mystillus species in Italy (bar = 1 mm). Left: Trifolium vesiculosum (A) and Trifolium spumosum (A'), middle Trifolium multistriatum transitional (B) and typical (B') forms, right Trifolium mutabile s.str. (C) and Trifolium mutabile var. gussoneanum (C')