How to Propagate Monstera Seed, Root, Cutting, Leaf Node Dropmore Scarlet Honeysuckle Vine, Lonicera American Meadows A double fenestration on a Monstera is when anleaf has large holes and splits or more openings on a single leaf. This trainoccur naturally as a leaf develop and matures, whilenit's often seen as a Identification and Pathogenicity of Biscogniauxia and Sordaria Species Isolated from Olive Trees Aquarell Unikat Monstera Mariya Di Angela