autoecism noun2 •The fact of a parasite or dependent organism completing an entire life cycle on a single host species.This may possibly be explained by autoecism (pine-to-pine spread) in the aecial stage of the rust, but autoecism has not been conclusively proved (Spaulding, 1922). — 1972 •The fact of having male and female reproductive organs on the same individual plant.Along with this view of pleomorphism, goes the generally conceived idea that autoecism is the primitive condition, heteroecism being considered a later adaptation (Klebahn, 1904). — 1911
