Ikebana Types of Ikebana: Heika Heika (also called rikka, shoka, or seika) is a basic style of ikebana arrangement that uses a tall vase and highlights vertical lines. The biggest feature is the emphasis on bringing out the flowers' natural charms and arranging them in a tasteful and elegant manner. Vases with a narrow opening or tall, jar-shaped containers are used, with the stems being bundled..