Upright, sympodial epiphytic orchid. Pseudobulbs ovoid, 3 cm long, 2 cm diameter, with a single leaf. Leaves leathery, up to 15 cm long, 3 cm wide. Inflorescence semi-erect, appearing from the base a pseudobulb, with up to 4 flowers, one or two open at a time, each flower up to 8.5 cm high, 4 cm across, with a foetid smell. Flowers brownish red, glossy. Dorsal sepal narrowly lanceolate, 4 x 0.8 cm; petals narrowly lanceolate, 2 cm long, reflexed towards the base; lateral sepals narrowly lanceolate, to 4 cm long. Labellum fleshy, 2 x 0.5 cm, with warty surface, 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 warty suface
Petals not reflexed towards back; flowers with 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