heterothallic

heterothallic

[het-er-uh-thal-ik]
adjective Mycology.
1.
having mycelia of two unlike types, both of which must participate in the sexual process. Compare homothallic ( def 1 ).

Origin:
1900–05; hetero- + thallic

heterothallism, noun
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heterothallic (ˌhɛtərəʊˈθælɪk)
 
adj
1.  (of some algae and fungi) having male and female reproductive organs on different thalli
2.  (of some fungi) having sexual reproduction that occurs only between two self-sterile mycelia
 
[C20: from hetero- + Greek thallos green shoot, young twig]
 
hetero'thallism
 
n

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