leaves of a tulip tree, liriodendron tulipifera with colorful autumn color

american autumn autumnal back background blue botanical botany branch branches chlorophyll close color colorful colour colouring deciduous fall foliage forest free golden herrenkrug lateral leaf leaves light liriodendron mood natural naturally nature october one outdoors outside park photography photosynthesis picture plant poplar season shape sky tree tulip tulipifera tuliptree tulipwood tulpenbaum wilted wither woods