A monocot is a plant that, when germinating, produces one seed leaf or cotyledon. 'Mono' means one and 'cot' refers to cotyledon. Any plant that has a single leaf at germination is called a monocot.

A scanning electron microscope reveals nematodes (highlighted in green) inside the spongy mesophyll of a European beech (Fagus sylvatica) leaf infected with beech leaf disease (BLD). Eggs are ...