- berries are somewhat sour/bitter.
- unripe berries are hard and reddish.
- ripe berries are salmon-colored.
- berry has high vitamin C content.
- berry has high benzoic acid content, which acts as a natural preservative.
- stems are unbranched, slender and wiry.
- leaves are broader than long, and have five lobes.
- plant grows in peat bogs and peaty forests.