(n) :
Alternative form of calyptra. [(botany) In bryophytes, a thin hood of tissue that forms from the archegonium and covers the developing sporophyte and is shed as it ripens.]
(n) :
Alternative form of calyptra. [(botany) In bryophytes, a thin hood of tissue that forms from the archegonium and covers the developing sporophyte and is shed as it ripens.]