Fig. 1. Representative examples of pollinarium types: A, Maxillaria desvauxiana, Type 1 (with a well‐defined tegula); B, Maxillaria picta, Type 2 (devoid of tegula and with a soft, slender viscidium); C, Maxillaria bradei, Type 3 (devoid of tegula and with a rigid viscidium); D, Maxillaria uncata, Type 4 (with a pollinium stalk made up by the whole median portion of the rostellum). Pol, pollinia; Ps, pollinium stalk; Tg, tegula; Vs, viscidium.