Visual meaning of 'heartwood'? - learn with images, example in daily life

Visual illustration of heartwood: The wood nearer the heart of a stem or branch, different in color from the sapwood - Image 1

heartwood: The wood nearer the heart of a stem or branch, different in color from the sapwood - Thumbnail 1

heartwood: The wood nearer the heart of a stem or branch, different in color from the sapwood - Thumbnail 2

noun

The wood nearer the heart of a stem or branch, different in color from the sapwood

"A popular myth is that heartwood is stronger than sapwood."

material plant biology