How many letters does the top answer for “of or pertaining to the class pentadria; having five stamens.” have?

The most common answer is pentandrian (11 letters).

Crossword clue: of or pertaining to the class pentadria; having five stamens.

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

pentandrian 11 letters web-def

Of or pertaining to the class Pentadria; having five stamens.

pentandrous 11 letters web-def

Of or pertaining to the class Pentadria; having five stamens.