Zigzag twigs of bird eye chili plant

Here's a collage of a Jeerige Menasina Gida ~ bird eye chilli plant and twigs. This plant is approximately two years old. Since it is planted in a small planter there's not much growth, it's about 18" high. Once a chilies are harvested from a branch, the branch starts drying out. I happened to notice the twigs zig-zag formation which is quite interesting.

.........