undeveloped
abecedarian
aboriginal
antenatal
autochthonous
beginning
blooming
blossoming
burgeoning
callow
creative
crescent
developed
dewy
elemental
elementary
embryonic
fetal
florescent
flourishing
flowering
formative
foundational
full-fledged
full-grown
fully developed
fundamental
gestatory
green
growing
grown
grown-up
hypertrophied
immature
impubic
in embryo
in its infancy
in the bud
inaugural
inceptive
inchoate
inchoative
incipient
incunabular
inexperienced
infant
infantile
ingenuous
initial
initiative
initiatory
hydroidea
agamogenesis
asexual reproduction
flooding