Crossword clue: formed of two plates, as the stigma of the mimulus; also, having two elevated ridges, as in the lip of certain flowers.

The most common answer is bilamellate (11 letters).

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

Possible answers

bilamellate 11 letters web-def

Formed of two plates, as the stigma of the Mimulus; also, having two elevated ridges, as in the lip of certain flowers.

bilamellated 12 letters web-def

Formed of two plates, as the stigma of the Mimulus; also, having two elevated ridges, as in the lip of certain flowers.