autoecism

Noun

autoecism (uncountable)

1. 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, B. K. Bakshi, Relative Blister Rust Resistance of Native and Introduced White Pines in Asia, North Atlantic Treaty Organization, International Union of Forestry Research Organizations, US...
   • Other measures[…]are deficient because of the large geographic distribution of the pathogens, their wide host ranges, their high spore dispersal capabilities, and the autoecism of some rusts.2005, Salvatore Moricca, Alessandro Ragazzi, Gemma Assante, “Biocontrol of Rust Fungi by Cladosporium tenuissimum”, in Ming Hao Pei, Alistair R. McCracken, editors, Rust Diseases of Willow and...
2. 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, Bulletin of the New York Botanical Garden, page 406