golden shower, purging cassia ( cassis fistula linn )

background beautiful bloom blooming blossom bouquet branch bright bud bunch caesalpiniaceae cassia cassis color colorful decoration decorative falling fistula flora floral flower gold golden green growth hanging indian isolated laburnum leaf leguminosae many national natural nature nobody perennials petal photo plant purging ratchaphruek season shower summer thai thailand tree tropica vertical white yellow