Pequin has a compact habit, growing typically 0.3–0.6 meters tall, with bright green, ovate leaves and small berries that rarely exceed 2 cm in length. Like most chilies, the berries start out green, ripening to brilliant red at maturity. Pequin peppers are very hot, often 5–8 times hotter than jalapeños on the Scoville scale (30,000 to 60,000 Units). Flavor is described as citrusy, smoky (if dried with wood smoke), and nutty.