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Lateral view of different trap types, indicating the position of the trap entrance (te) and of the stalk (st). (A) Basal position (U. circumvoluta). (B) Terminal position (U. bisquamata). (C) Lateral position (U. raynalii). The ventral and dorsal trap parts are indicated. Images modified from Taylor (1989). The genus Utricularia—a taxonomic monograph with kind permission from the Board of Trustees of the Royal Botanic Gardens, Kew.
