Calyptras vs Calyptrae - What's the difference?
calyptras | calyptrae |
*
As nouns the difference between calyptras and calyptrae
is that calyptras is plural of calyptra while calyptrae is plural of calyptra.calyptrae
English
Noun
(head)- On fertilization, the archegonia form obyriform calyptrae that are distinctly narrowed at base to form a stalk or peduncle; this does not occur in other Hepaticae.