What is the black thing in the middle of betel nut? What weather do betel nut like?

1. The black thing in the middle of the betel nut is a mixture of substances such as lime juice, maltose, wine and essence, commonly known as "heart".

2. Areca nut is a warm-humid-heat positive plant and likes a climate environment with high temperature, abundant rainfall and humid climate. Commonly grown in scattered areas at the bottom of low valleys, at the foot of ridges, at the foot of slopes, and in secondary forests of tropical monsoon forests along plain streams. It also grows in patches in valleys, ridges, sparse forests rich in humus, and in barren hills with slightly acidic to neutral sandy loam. wilderness.