What Are the Main Types of Coffee Trees?

If you’ve ever wondered why some coffees taste bright and fruity while others are bold and bitter, part of the answer lies in the coffee plant itself. With over 500 species and more than 6,000 documented varieties of coffee trees, the choice of plant dramatically influences your cup. But which of these many trees actually make the coffee we drink every day?

Only four main types of coffee trees are cultivated globally—but just two dominate the market. Of these, Arabica accounts for around 70% of global production, while Robusta makes up 20–30%. These two species produce the majority of specialty-grade coffee consumed worldwide.

The Four Main Types of Coffee Trees

Coffee professionals recognize four primary coffee tree species: Arabica, Robusta, Liberica, and Excelsa. Each belongs to the genus Coffea, but they differ significantly in origin, growing conditions, yield, and flavor profile. Among these, only Arabica and Robusta are grown at commercial scale and used widely in the specialty coffee industry.

Arabica: The Global Favorite

Arabica (Coffea arabica) is by far the most widely grown and consumed coffee species, responsible for approximately 70% of the world’s coffee production. Known for its nuanced flavors, higher acidity, and lower caffeine content, Arabica beans thrive at higher altitudes, typically between 1,000–2,000 meters above sea level. This species originates from the highland forests of Ethiopia and South Sudan, and today grows in countries like Colombia, Ethiopia, Brazil, and Yemen.

Within Arabica, there are countless cultivars—such as Typica, Bourbon, Geisha, and Caturra—each with unique flavor attributes influenced by terroir. Many of the world’s most famous coffees, including Jamaica Blue Mountain and Yemen Mocha, come from Arabica plants. Arabica is generally more delicate, susceptible to pests and disease, and requires careful farming, which contributes to its premium status.

Robusta: Strong and Bold

Robusta (Coffea canephora), also known as Coffea robusta, makes up roughly 20–30% of global coffee production. Native to the lowland forests of central and western sub-Saharan Africa—particularly the Congo—Robusta thrives at lower altitudes compared to Arabica and is much hardier. It grows well in warmer climates and is more resistant to pests and diseases, requiring fewer chemical inputs during cultivation.

Robusta beans contain almost double the caffeine of Arabica and have a stronger, harsher flavor with earthy, bitter, and nutty notes. Due to its strong crema formation and bold taste, Robusta is commonly used in Italian espresso blends and instant coffee. While it’s less favored in the specialty sector for its intense bitterness, high-quality Robusta can still add complexity when blended thoughtfully.

Liberica and Excelsa: Rare and Unique

The other two coffee species, Liberica (Coffea liberica) and Excelsa (often classified under Liberica as a subspecies), account for a very small fraction of global production. Liberica, originating from Liberia in West Africa, has a distinctive woody, smoky flavor and an irregular tree shape. It was briefly popular in the late 19th century after a leaf rust epidemic devastated Arabica crops, but today is rarely grown commercially.

Excelsa, meanwhile, grows mostly in Southeast Asia and is known for tart, fruity flavors reminiscent of both light and dark roast profiles. Though sometimes categorized separately, it is now often considered a subtype of Liberica. Both species are niche, grown in limited regions, and rarely appear in specialty coffee offerings due to their unusual flavors and lower yields.

Why Only Two Species Dominate?

Despite the existence of hundreds of coffee species, Arabica and Robusta dominate the industry for practical reasons. Arabica delivers the refined flavors sought in specialty coffee, especially at higher elevations, while Robusta offers resilience, high yield, and strong flavor for mass-market and espresso needs. The other species either lack the desired cup quality, are harder to cultivate at scale, or do not meet market preferences for taste or production efficiency.

How Terroir Influences Coffee Flavor

Even within the same coffee species, flavor varies dramatically depending on factors like soil, altitude, climate, and processing methods. For instance, a Typica variety grown in Yirgacheffe will taste vastly different from the same variety grown in Brazil. This is why coffee experts emphasize terroir—the combination of environmental factors that shape a coffee’s character.

That variability is also why single-origin coffees and specific cultivars are so valued in specialty coffee: they reflect the unique conditions of their origin. Whether it’s the floral brightness of Ethiopian Heirloom or the chocolatey depth of a Brazilian Yellow Bourbon, terroir plays a decisive role in your cup’s profile.

Frequently Asked Questions

How many species of coffee trees are there?

There are over 500 known species of coffee trees, though only around four are widely recognized and cultivated on a commercial scale.

What are the four main types of coffee trees?

The four main coffee tree species are Arabica, Robusta, Liberica, and Excelsa. Arabica and Robusta are the most commonly grown and consumed.

Which coffee species makes up the majority of the world’s coffee?

Arabica accounts for approximately 70% of global coffee production, making it the most widely grown and consumed coffee species in the world.

What is the difference between Arabica and Robusta coffee?

Arabica has a more complex, acidic, and nuanced flavor profile, while Robusta is stronger, harsher, and higher in caffeine. Arabica grows at higher altitudes and is more delicate, whereas Robusta is hardier and grown at lower altitudes.

Do all coffee beans come from the same kind of tree?

No. Coffee beans come from various species and cultivars of coffee trees. The two main species are Arabica and Robusta, but there are also Liberica and Excelsa, each producing beans with distinct flavors and characteristics.

Why aren’t Liberica and Excelsa more popular?

Liberica and Excelsa are far less common due to their niche flavor profiles, lower yields, and challenges in large-scale cultivation. They make up only a tiny fraction of global coffee production.

Recommended FrontStreet Beans for Exploring Arabica Diversity

Start with FrontStreet’s Jamaica Blue Mountain No.1, a classic Typica-based Arabica grown at high elevation in Jamaica for a balanced, smooth cup with notes of nuts and mild acidity. For something more vibrant, try the Yirgacheffe from the Gedeb cooperative, showcasing Ethiopian Heirloom typicity with citrus, jasmine, and stone fruit. Finally, the Brazil Queen Manor Yellow Bourbon offers a nutty, chocolatey profile with creamy sweetness. All highlight the diversity within Arabica. Freshly roasted within 5 days · Orders placed before 17:00 ship the same day · Next-day delivery across most of Guangdong Province.