What is common to the following plants: Nepenthes Psilotum, Rauwolfia and Aconitum ?

Options

A. All are ornamental plants
B. All are phylogenetic link species
C. All are prone to over exploitation
D. All are exclusively present in the Eastern Himalayas

Answer

C

Explanation

Nepenthes, Psilotam, Rauwaqyfa and Awnitum all are prone to over exploitation.