Grammatophyllum scriptum is a species of orchid. The flowers are generally up to 4.5 cm wide, green with dark brown markings, held in racemes of up to 150 blooms. Grammatophyllum scriptum is native to south east Asia and is found in low-lying coastal areas (sea level to 100 metres). In the Philippines, this type of orchid is called "tawatawa".

Grammatophyllum scriptum
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Monocots
Order:	Asparagales
Family:	Orchidaceae
Subfamily:	Epidendroideae
Genus:	Grammatophyllum
Species:	G. scriptum
Binomial name
Grammatophyllum scriptum (L.) Blume
Synonyms
Epidendrum scriptum L. (basionym) Cymbidium scriptum (L.) Sw. Vanda scripta (L.) Spreng. Gabertia scripta (L.) Gaudich.

Due to their large size, plants are rarely found in cultivation outside botanical institutions.