prothallic

• a word derived from prothallium.
  prothallium

  noun

  the gametophyte of ferns and related plants.
• a word derived from prothallus.
  prothallus

  noun

  prothallium.

More Suggestions

• prothallus
• homothallic
• phallic
• pyrogallic
• thallic
• heterothallic
• prothalamion
• prothalamium
• protophilic