Mid 19th century; earliest use found in Miles Berkeley (1803–1889), Church of England clergyman and naturalist. From acro- + -sporous, after acrospore.
Definition of acrosporous in US English:
acrosporous
adjective
Mycology rare
Relating to or characterized by acrospores.
Origin
Mid 19th century; earliest use found in Miles Berkeley (1803–1889), Church of England clergyman and naturalist. From acro- + -sporous, after acrospore.