phytogenesis in British English
(ˌfaɪtəʊˈdʒɛnɪsɪs) or phytogeny (faɪˈtɒdʒənɪ)
nounthe branch of botany concerned with the origin and evolution of plants
Derived forms
phytogenetic (ˌfaɪtəʊdʒɪˈnɛtɪk) or phytogenetical (ˌfaɪtəʊdʒɪˈnɛtɪkəl) adjective
phytogenetically (ˌphytogeˈnetically) adverb