appearance beautiful beauty bloom bright color colored colorful colors colour coloured colourful colours complex complexity cultivars decoration decorative delicate display distinctive diverse diversity flora flower flowering-plant fragile light nature orchid orchids ornamental-plant parts perspectives petals plant sepals shape shaped shapes soft surface tepals texture textured variants variations variety various botanical dendrobiums epiphyte epiphytes gardening bulbs bushland infestation bushland weed cluster competing cormous plant flowering plant flowers fragrant freesia alba x leichtlinii freesias funnel-shaped garden plant golden herbaceous introduced species orange perennial perfumed prolific scent scented seed seeder South African stem streaked strongly scented weed weeds white yellow appearances arid Cacti cactus calcium-carbonate clumps clusters coloring colouring edge edges flower-dome formation forms garden garden-display garden-plants inverted irregular leaves ornamental perennials plants pointed protection Singapore Stalactite stalactites succulents surfaces textures unusual upside-down