This is the 6066th most frequent Dutch word.
rika
The Dutch word "rika" does not appear to have a standard definition; it may be a name or a misspelling.
Here, 'Rika' is used as a proper name referring to a specific individual, a friend of the speaker.
Rika is mijn beste vriendin.
Rika is my best friend.
In this sentence, 'rika' describes the type of plant, used as an adjective to qualify the noun 'plant'.
De rika plant bloeit in het voorjaar.
The rika plant blooms in the spring.
Here, 'rika' is used metaphorically to describe the flavor of the dish, implying richness or fullness in taste.