Upright, sympodial epiphytic orchid. Rhizome about 4 mm diameter. Pseudobulbs close together, each 2.5 cm diameter, somewhat flattened, with a single leaf. Leaves up to 15 cm long, 4 cm wide, very leathery; petiole 5 cm long. Inflorescence semi-erect, 5 cm long, appearing from the base a pseudobulb. Flowers light yellow, densely spotted red, rather large, up to 9 cm high, 2.5 cm across, opening sequentially on the inflorescence. Dorsal sepal lanceolate, 5 x 1 cm; petals ovate, 2 x 0.6 cm, reflexed towards back; lateral sepals narrowly lanceolate, 5 x 1.2 cm. Labellum 3-lobed, 1.5. m long, 0.5 cm wide.
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 warty suface
Petals reflexed towards back; flowers without foetid smell
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