What's the difference between Arabica and Robusta?

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Arabica beans are of good quality, but it is not easy to grow, and coffee trees are easy to get sick. Most boutique coffee is Arabica beans, while Robusta is of poor quality. They generally make instant coffee. Coffee trees have strong disease resistance, high yield, and contain more caffeine than Arabica beans. Only a few are fine coffee.

Arabica is a large shrub with oval, dark green leaves and oval fruit. Wild plants are generally 9-12 meters tall and have scattered branches. Leaves opposite, elliptic-ovate or long-ovate, 6-12 cm long, 4-8 cm wide, dark green. Flowers white, 10-15 mm in diam., leaves fascicled.

The berries are oval, 10-15 mm in diameter, bright red to purple when ripe, there are generally two slightly flat beans, the bean body is small and round, the front is long oval, the middle crack is narrow and curved S-shaped, and the arc on the back of the beans is flatter, that is, the so-called "coffee beans". Caffeine content is about 1% Muay 1.7%.