red burs

august autumn autumnal background bloom blossom botanic botanical botany brown bur burs case chestnut closeup conker copy desktop detail fall flora floral flower flowers food forest forests fresh garden grass green grove harvest health horticulture july june kernel leaf leaves life macro natural nature november nut object october organic petal plant plantation plants prickle prickly produce red scenery season seasonal seasons seed september serene sharp shell space spike sting summer thistle thorn weed wild wood woodland woods