Prothallus (noun) Definition, Meaning & Examples

noun, plural pro·thal·li [proh-thal-ahy]. /proʊˈθæl aɪ/. Botany.
  1. prothallium.
noun plural -li (-laɪ) or -lia (-lɪə)
  1. the small flat free-living gametophyte that bears the reproductive organs of ferns, horsetails, and club mosses. It is either a green disc on the soil surface or it is colourless and subterranean
Plural prothalli (prō-thălī)
    Prothallus (noun) Definition, Meaning & Examples

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