Luxuriant

1. Exuberant in growth; rank; excessive; profuse; very abundant; as, a luxuriant growth of grass; luxuriant foliage.
2. Producing luxuriant growth; very fertile; -- of soil.
3. Having or producing an abundance of elaborate details; unrestrained; -- of imagery or ornamentation.
Luxuriant flower (Bot.),
one in which the floral envelopes are overdeveloped at the expense of the essential organs.