abstract casing external firm hard hardy inside natural nature outside plants rough seedpods seeds shape shaped shapes shell Sizes smooth surface surfaced surfaces surfacing tactile texture textured textures two-sided variations woody wrinkled wrinkles appearance appearances background bright chipped color colored colorful colors colour coloured colourful colours cracked float floating orange pond pond's-edge reflection reflections round rounded sparkle sparkling water wet Australian bearded capsule conical dry eucalypts evergreen flora flowers golden large mallee tree native red seed pods silvery-gray silvery-grey stamen tipped tips trees unusual