Upright, sympodial epiphytic orchid. Rhizome 1.5 mm diameter with persistent sheaths; Pseudobulbs ovate, 3 x 2.5 cm, rather wrinkled, with a single leaf. Leaves linear, leathery, 20 x 3.3 cm; petiole 3 cm long. Inflorescence arising from base of pseudobulb, at near right angle, up to 9 cm long, with 3 short bracts; several flowers that open sequentially. Flowers honey-yellow, glossy, with pale or reddish-brown veins, 5 cm across. Dorsal sepal lanceolate, 4 x 1.5 cm, with ridge along the center; petals lanceolate 2.6 x 1.2 cm; lateral sepals falcate, 4.2 x 0.8 cm. Labellum 1.5 x 0.5 cm, the front lobe deep red.
Cootes, J. 2001. The Orchids of the Philippines. 231p. Times Editions, Singapore.
Pelser, P.B., J.F. Barcelona, & D.L. Nickrent (eds.). 2011 onwards. Orchidaceae. In: Co’s Digital Flora of the Philippines. http://www.philippineplants.org.
Leaves 14-20 cm long; pseudobulbs at least 2 cm wide or more; 1 or up to 4 flowers per inflorescence
Pseudobulbs close together along rhizome; inflorescence with 2 or more flowers that open sequentially
Labellum with smooth surface
Plants with distinct pseudobulbs
Inflorescence arising from the base of the pseudobulb
Pseudobulbs without distinct nodes; only one leaf borne on each pseudobulb
Plants with sympodial growth, the main stem made up of a series of superposed short or long swollen stems (pseudobulbs) along a rhizome; others (paphiopedilum) lacking pseudobulbs
Leaves with midrib not extended into tendril.
Plants without distinct pseudostem
Flowers specialized, with one petal developing into a labellum (lip) that is highly ornate and often differently colored, roots also specialized with velaman
Plants producing true flowers and fruits for sexual reproduction