The Capsicum Chinense Spieces has the highest number of varieties with hundreds of very hot and hundreds of Superhot varieties. The hottest peppers in the world are Capsicum Chinense.  There are only a handful of sweet or low to no heat varieties. 

This subspecies can take the longest to mature. With 120 days being the average with very few exceptions take 100 days to ripen. For the most part, you can count on 120 days from transplant. You can also expect to harvest green or whatever color is your varieties starting color to be around 90-100 Days