Crossword clue: having a corolla composed of partially or wholly fused petals forming a corolla shaped like a tube or funnel

The most common answer is gamopetalous (12 letters).

2 answers found in Letterora's clue database (Wikidata facts, Open Trivia DB, WordNet and Webster definitions — all licensed sources).

Possible answers

gamopetalous 12 letters wn-def

having a corolla composed of partially or wholly fused petals forming a corolla shaped like a tube or funnel

sympetalous 11 letters wn-def

having a corolla composed of partially or wholly fused petals forming a corolla shaped like a tube or funnel