SEM images of anther rostra and pollen grains in the Trembleya s.s. clade of Microlicia A Microlicia pentagona, anther rostrum of an antesepalous stamen B Microlicia pentagona, anther rostrum of an antepetalous stamen C Microlicia tridentata, anther rostrum of an antesepalous stamen D Microlicia tridentata, anther rostrum of an antepetalous stamen E, F Microlicia pithyoides, pollen grains. Voucher specimens: A, B Irwin et al. 20486 (CAS, MO, NY, US) C, D Pacifico & Bressan 290 (CAS, HUEM) E, F Pacifico 295 (CAS, HUEM, SPF).