Niwano Hana - Japanese for "garden flower" - offers a wide selection of specialty rolls and traditional Japanese cuisine. With signature rolls ranging from the Rockville Roll (cooked salmon with mayo and avocado) to the Maryland Roll (fried soft-shell crab and cucumber) to the Jambalaya Roll (fried shrimp tempura, crab stick, avocado and spicy mayo) the restaurant serves up fresh concoctions. Take-out is also available from this Zagat-rated restaurant.