Grammangis abbreviated as Gramm in horticultural trade, is a genus comprised of 2 species
The plant of this genus are found growing on canopy trees in Madagascar.
Plants has large gray green leaves and conspicuous pseudobulbs. The inflorescence arises from the base of the pseudobulb along with new leaves.
The plant requires intermediate temperatures and bright light. Plant can be potted in coarse bark in a clay pot or mounted. Plant likes high humidity. Water regularly and reduce watering during the winter. Plants do not like the potting media disturbed.
The name is derived from the greek words Gramma which means Letter and the word angos which means vessel.