How many letters does the top answer for “the main organ of photosynthesis and transpiration in higher plants” have?

The most common answer is foliage (7 letters).

Crossword clue: the main organ of photosynthesis and transpiration in higher plants

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

foliage 7 letters wn-def

the main organ of photosynthesis and transpiration in higher plants

leaf 4 letters wn-def

the main organ of photosynthesis and transpiration in higher plants

leafage 7 letters wn-def

the main organ of photosynthesis and transpiration in higher plants