These sentient plants society revolves around seeing the universe in terms of food, not food, and building materials. Dioscipula can emit spores that cause multitudes of their kind to breed, causing many to shun their presence.
Most people referring to Ilchari are talking about the walking Ilchari Fruit that deal with most species, but the Ilchari Trees that bear them are actually a higher form of life than most sentients in the galaxy.
This is a species of clones of one individual, with each clone being genetically engineered for a specific combat role and given cybernetic enhancements. They are ruthless, and are the cause of the Endless War.