Crossword clue: larger of the two types of spore produced in heterosporous plants; develops in ovule into a female gametophyte

The most common answer is macrospore (10 letters).

2 answers found in Letterora's clue database (Wikidata facts, Open Trivia DB, WordNet and Webster definitions — all licensed sources).

Possible answers

macrospore 10 letters wn-def

larger of the two types of spore produced in heterosporous plants; develops in ovule into a female gametophyte

megaspore 9 letters wn-def

larger of the two types of spore produced in heterosporous plants; develops in ovule into a female gametophyte