Dendrobium tetragonum

Common Spider Orchid
Scientific classification
Kingdom:	Plantae
(unranked):	Angiosperms
(unranked):	Monocots
Order:	Asparagales
Family:	Orchidaceae
Subfamily:	Epidendroideae
Tribe:	Podochilaeae
Subtribe:	Dendrobiinae
Genus:	Dendrobium
Species:	D. tetragonum
Binomial name
Dendrobium tetragonum A.Cunn. ex Lindl.
Synonyms
Callista tetragona (A.Cunn. ex Lindl.) Kuntze Dendrobium tetragonum var. tomentosum Nicholls Dendrobium tetragonum var. variabile P.A.Gilbert Dendrocoryne tetragonum (A.Cunn. ex Lindl.) Brieger Tropilis tetragona (A.Cunn. ex Lindl.) Butzin Tetrabaculum tetragonum (A.Cunn. ex Lindl.) M.A.Clem. & D.L.Jones

Dendrobium tetragonum, the Common Spider Orchid, is a species of orchid, also known as the Rectangular-bulbed Dendrobium or Tree Spider Orchid.