biology botany cell cross section flower Jasmine leaf magnification microscope Oleaceae plant section amaryllis daffodil narcissus block chop chopped clean cross cut log off saw timber tree trees wood woods cross-section Helianthus sunflower abstract appearance artificial coarse color colored colors colour coloured colours decorative Designs distinctive fiber fibers fibre fibres firm floor floor-mat inside interior knitted looped loops mat material raised sectioned sections soft surface surfaced surfacing Tan texture textured textures weave wipe woollen woven background black build building circular dirty flexible old pipe yellow fruit magnification. food pear