Description:
Epiphytic orchid only to 2.5 cm tall, 16 cm diameter across the leaves. Leaves linear to obovate, 9.5 cm long, 2.5 cm wide, unequally bilobed at their apices. Inflorescence up to three, each with up to five flowers about 6 cm across. Flowers pure white; pedicel pale green; dorsal sepal elliptic, concave, 2.5 x 1.8 cm, with ridge in the center; petals elliptic concave, 2.5 x 2.1 cm; lateral sepals elliptic, with ridge in the center, 2.9 x 2.1 cm. Labellum 3-lobed, side lobes semi-circular, 7 mm long x 5 mm high; mid-lobe semi-circular, appearing folded, 1 cm wide, 7 mm long. Nectary (lip spur) up to 11 cm long (measured from the tip of the mid-lobe), 2.5 mm in diameter.
References:
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.