This is the 3288th most frequent Catalan word.
tropicals
"Tropicals" in Catalan means "tropical" (relating to the tropics).
In this sentence, 'tropicals' functions as an adjective describing the type of forests, indicating they are situated in regions with a tropical climate.
Els boscos tropicals són rics en biodiversitat.
Tropical forests are rich in biodiversity.
Here, 'tropicals' serves as an adjective modifying 'fruites' to specify that these fruits originate from or are associated with tropical regions.
Les fruites tropicals com el mango són delicioses.
Tropical fruits like mango are delicious.
In this instance, 'tropicals' is an adjective as well, characterizing the 'productes' being sold as related to or typical of tropical areas.