A jalapeno pepper is a fruit of the Capsicum pod type, medium sized hot pepper if compared to other chili peppers, measuring an average of 2-3.5 inches in length but growing up to 6 inches long or longer. A mature jalapeno pepper plant measures 2-3 feet in height and will typically produce around 30-40 pepper pods. The name “jalapeno” is Spanish for “Jalapa” (or Xalapa), the capital of Veracruz, Mexico. Jalapenos were originally grown there, hence the name.
While originating in Mexico, it is now grown worldwide for its popular flavor and mild heat level, which averages around 5,000 Scoville Heat Units. That is hot, but not too hot.
Jalapeño peppers taste very much like a serrano pepper, only with less heat. The flavor of fresh jalapenos can be described as bright, vegetable and very green, with a slight level of heat. Roasted peppers are richer, slightly smoky, earthy with good heat.
A typical jalapeno pepper packs more vitamin C than an orange, so if you need your extra C, grab a jalapeno. How much vitamin C, you ask? A single 14 gram jalapeno pepper contains 10% of your daily needs. According to Nutrition Data, a single 73 gram chili pepper contains 83%.