How many letters does the top answer for “belonging to the order tetragynia; having four styles.” have?

The most common answer is tetragynian (11 letters).

Crossword clue: belonging to the order tetragynia; having four styles.

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

tetragynian 11 letters web-def

Belonging to the order Tetragynia; having four styles.

tetragynous 11 letters web-def

Belonging to the order Tetragynia; having four styles.

having many styles; belonging to the order polygynia. 50% similar → polygynian, polygynous