Cassia javanica, also known as Java Cassia, Pink Shower, Apple Blossom Tree and Rainbow Shower Tree (Thai: ชัยพฤกษ์), is a species of tree in the Fabaceae family. Its origin is in Southeast Asia, but it has been extensively grown in tropical areas worldwide as a garden tree owing to its beautiful crimson and pink flower bunches. C. javanica is one of Thailand's Nine Auspicious Trees and is said to bring good luck, ensure continued high rank and afford victory.Its flower is the provincial flower of Chainat Province, Thailand.