proangiosperm
English
Etymology
From
pro-
+
angiosperm
.
Noun
proangiosperm
(
plural
proangiosperms
)
(
botany
)
An angiosperm in the act of becoming so from some
ancestral
form.
Related terms
progymnosperm
References
1900
, Benjamin Daydon Jackson,
A Glossary of Botanic Terms