A hardier, higher-caffeine coffee species known for a bolder, earthier cup, often used in blends and instant coffee.
Robusta (Coffea canephora) is a hardier coffee species that grows at lower altitudes and resists pests better than Arabica. It has roughly double the caffeine content and a bolder, earthier, more bitter cup - it's commonly used in espresso blends for crema and body, and in instant coffee.
