(image credits, IG: bobkat_roots4you) Hoya is a genus of 200 to 300 varieties most commonly found in the tropical forests of south and south-east Asia according to the University of Florida. The Hoya Krohniana species is from the Phillipines. For those who are familiar with Hoya Lacunosa, Krohniana is a close cousin. Lacunosa and Krohniana …