Notas del episodio
Coffea liberica makes up less than 1.5% of commercially grown coffee, yet it once sold for up to five times the price of other coffee. The trees reach 20 meters, so harvesters use ladders, and the asymmetrical, hooked beans reach about 12 millimeters, with 100 beans weighing 23.2 to 25.7 grams in a Selangor, Malaysia study. Cuppers compare it to jackfruit. A light roast keeps the fruit, a medium roast brings chocolate and caramel, and a dark roast turns it bitter and astringent. Its caffeine is modest: in one Malaysian analysis Liberica came in at 1.23 grams per 100 grams, below Arabica at 1.61 and Robusta at 2.26.
Spanish friars brought it to Lipa, Batangas, in the 1740s, where it became kapeng barako, a name traced to wild boar. Exports from the Philippines and Liberia boomed, and the 1876 Centennial Exposition in Philadelphia lifted American demand. Coffee leaf rust eventually overwhelmed even Liberica, and growers replanted with easier Arabica and Robusta. It survived in Java, West Kalimantan, and Johor, where it tolerates acidic, waterlogged peat soils. That makes it a transitional crop in place of oil palm, which needs deep drainage that releases carbon and makes the land sink. Genetic studies in 2025 and 2026 then rewrote what Liberica even is.
- Tropical peatlands can reach a pH of 3.5 to 4, which kills Arabica and Robusta roots.
- Liberica needs only shallow drainage, not true paludiculture, but far less than oil palm.
- A 2006 consensus had merged excelsa and other large leaf coffees into Liberica.
- The 2025 study split them back into C. liberica, C. dewevrei, and a third West Central African species.
- A 2026 study found much Southeast Asian Liberica is a natural hybrid and proposed the name Coffea x libex.