Explanation:

- Gesha: A high-end coffee variety known for its unique flavor, originally from Ethiopia. It’s not specifically linked to Yemen or India.

- Arabica: The most common coffee species globally, known for its smooth taste. It was historically brought to India from Yemen.

- Canephora (Robusta): Another coffee species with more caffeine, originally native to sub-Saharan Africa. It’s widely grown but not the variety brought from Yemen to India.

- Charrieriana: A lesser-known, caffeine-free coffee species. It’s not related to the coffee varieties moved from Yemen to India.