One leading botanist is scouring remote corners of the earth to find new species that could keep our mugs full ...

The genus Coffea, to which arabica ... The liberica specimen Davis shows me is, in fact, an excelsa coffee—a species that he has recently proved to be separate from liberica.

While most specialty coffee shops promote their rarefied high-end arabica coffees, a new coffee business in San Diego called Excelsa Coffee Company is promoting a separate species altogether. The ...

Coffea racemosa, a lesser-known varietal of the 130 coffea species worldwide, can be found growing wild north of Lake St Lucia. It is endemic to the coastal forest belt between northern KwaZulu ...