horse chestnut seed
conker-shaped seed glossy, dark brown spiny, ridged surface two or three large, pointed projections on the top two or three small, pointed projections on the bottom two or three small, oval-shaped air holes in the side
horse chestnut seed which has conker-shaped seed horse chestnut seed which has glossy, dark brown horse chestnut seed which has spiny, ridged surface horse chestnut seed which has two or three large, pointed projections on the top horse chestnut seed which has two or three small, pointed projections on the bottom horse chestnut seed which has two or three small, oval-shaped air holes in the side