Dendrobium crumenatum Sw., J. Bot. (Schrader) 2: 237 (1799)

Name meaning 'purse or pouch', referring to the spur of the flower.

Synonyms
Aporum crumenatum (Sw.) Brieger
Aporum ephemerum (J.J.Sm.) Rauschert
Aporum kwashotense (Hayata) Rauschert
Aporum papilioniferum (J.J.Sm.) Rauschert
Callista crumenata (Sw.) Kuntze
Ceraia ephemera (J.J.Sm.) M.A.Clem.
Ceraia papilionifera (J.J.Sm.) M.A.Clem.
Ceraia parviflora (Ames & C.Schweinf.) M.A.Clem.
Ceraia saaronica (J.Koenig) M.A.Clem. & D.L.Jones
Ceraia simplicissima Lour.
Dendrobium caninum (Burm.f.) Merr.
Dendrobium ceraia Lindl.
Dendrobium crumenatum var. parviflora Ames & C.Schweinf.
Dendrobium ephemerum (J.J.Sm.) J.J.Sm.
Dendrobium kwashotense Hayata
Dendrobium papilioniferum J.J.Sm.
Dendrobium papilioniferum var. ephemerum J.J.Sm.
Dendrobium schmidtianum Kraenzl.
Dendrobium simplicissimum (Lour.) Kraenzl.
Epidendrum caninum Burm.f.
Epidendrum ceraia Raeusch. [Invalid]
Epidendrum saaronicum J.Koenig
Onychium crumenatum (Sw.) Blume

Description
Epiphyte with upright, sympodial, pseudobulbs that are swollen at the first 3 or 4 bottom nodes. The middle portion carries the leaves of 7 cm long and 2 cm wide that are very leathery. Top portion of the pseudobulbs carry the flowers of about 2.5 cm and of pure white, with yellow markings on the labellum. The bloom cycle is triggered 9 days after a sudden drop in temperature (at least 5.5 ˇăC), usually as a result of rain, although the same effect can be artificially created. Dendrobium crumenatum flowers are fragrant, but only lasts for a day.

Ecology
Growing up to 500 m elevation.

Uses

Distribution
From India, southern China and Taiwan to New Guinea and Australia.

Local names
English: Dove orchid.