close-up details of beautiful yellow flowers of the cassia tree or cassia garrettiana craib, a type of tree that hrives in

season samaesan khilek chrysophanol botany bouquet petal caesalpinioideae cassia garrettiana craib lrwin barneby senna blossoms inflorescence flower tree plant bloom flourish bud seed flora floral bunch branch leaf foliage yellow green fresh nature garden beautiful blossom blooming background closeup natural leaves bright colorful spring beauty medicine tropical fabaceae environment outdoor close-up details flowers type hrives environments high humidity humidity