Alaska colour purple deep green foliage flower ceylon creek exotic green lianas lush foliage national reserve natural nature plants rainforest reservati river rocks sri lanka sun sunbeams sunburst trees tropical vegetation appearance bloom color colored colorful colors colour coloured colourful colours dark decoration decorative delicate display distinctive evergreen flora flowering-plant foliage leaves light moisture ornamental plant plant purple purple-petals rain rain-drops shade shadows soft sunlight surface texture textured trumpet-shaped variations violet