Group of mostly epiphytic (growing on other plants), tropical orchids. Characterized by their spirally twisted floral segments and asymmetrical flowers. Mostly vigorous, robust and tall-growing plants which require warm, tropical conditions.

Native to northern Australia, New Guinea, Indonesia, Philippines and Pacific Islands.

No known.

Dendrobium is one of the largest genera in the world containing more than 1800 species (largest genus is Astragalus with more than 3000 species).