chalazogamic

Such a method of entrance is styled chalazogamic, in contrast to the porogamic or ordinary method of approach by means of the micropyle.

Encyclopaedia Britannica, 11th Edition, Volume 2, Part 1, Slice 1 Various

This chalazogamic method of fertilisation has since been recognised in other flowering plants, but not, so far as we are aware, in the genus Primula.)

More Letters of Charles Darwin — Volume 2 Charles Darwin 1845