Genus Calanthe is a group of perennial orchids that are native to Asia. Sometimes referred to as "reference orchids," these plants are known for their showy and vibrant blooms. Some common synonyms for the genus Calanthe include "chinensis," "mossiae," "parishii," and "rubens." Depending on the species, these orchids can range in height from just a few inches to over four feet tall. They also exhibit a wide range of flower colors and shapes, from delicate white or pale pink to vivid shades of red, purple, and yellow. Regardless of the specific name, all of the species within the Calanthe genus are renowned for their beauty, elegance, and grace.