How many letters does the top answer for “having a form intermediate between elliptic and lanceolate.” have?

The most common answer is ellipticlanceolate (18 letters).

Crossword clue: having a form intermediate between elliptic and lanceolate.

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

ellipticlanceolate 18 letters web-def

Having a form intermediate between elliptic and lanceolate.