calidophyte 

a plant that grows in a hot climate; xerophyte. Also called calidophile.

Cacti are calidophytes.

calidophyte by uttam maharjan November 1, 2010

calorophyte 

a plant that can resist a hot climate and hence grow in that climate; xerophyte.

Desert plants are calorophytes.

calorophyte by uttam maharjan September 15, 2010