autumn buckeye chestnut conker fruit sweet tree Aesculus glabra fall half open quill texture brown fallen Hippocastaneum horse chestnut leaf leaves nut path pavement withered alone.lone backdrop background bark blossom botanic botanical branch branches candle candles canopy conkers countryside deciduous earth ecological ecology environment field flora foliage grass grassland ground horse isolated landscape mature mighty natural nature old oxygen park peaceful photosynthesis rural season seasonal seeds solitary spring strength trunk weirdvis winter wood backyard aliens closeup flowers garden miniature landscapes summer