† oligosporousadj. [ < oligo-comb. form + -sporouscomb. form; compare scientific Latin oligosporus (1817), also Hellenistic Greek ὀλιγόσπορος producing a small quantity of sperm] ZoologyObsoleterare = oligosporeanadj. and n.Apparently only attested in dictionaries or glossaries.
ΚΠ
1890 Cent. Dict.Oligosporous, same as oligosporean.