Beschreibung:
<p>Four new Colombian species of Cleistes (Orchidaceae, Vanilloideae) are described and illustrated: C. uribei Szlach. & Baranow, C. risaraldensis Szlach. & Baranow, C. munchiquensis Szlach. & Baranow and C. idroboi Szlach. & Baranow. Notes concerning their morphological distinctions, habitat, and distribution are provided. A key for determination of the Colombian species of Cleistes is included.</p>