Bearing or producing fronds; having the character or appearance of fronds.
From Latin 'frondent-', present participle of 'frondescere' (to put forth leaves), derived from 'fronda' (frond/leaf). This rare botanical term reflects Latin terminology adopted in scientific classification.
This word barely appears in English because it's Latin scientific terminology that never really got adopted into everyday English—it's the kind of word only botanists writing in Latin would use.
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