colorful autumn maple, oak & sycamore leaves

leaf autumn brown color environment fall forest gereenhouse leaves maple oak orange plantlife red seasonal seasons sycamore tree colorful collection trees gathered fell yellow ground crimson acer ficus quercus compost arrangement still-life pigment carotenoid anthocyanin chlorophyll: tourism russet scarlet nature plant-life green broad-leaved foliage sugars abscission deciduous autumnal chlorophyll