Epiphytic plants, 10.0-15.0 cm high. 

Born in forests at an altitude of 200 to 1900 m trees or limestone rocks.

Leaf blade linear lanceolate, 8.0-12.0 cm long, 0.8-1.5 cm wide.

Inflorescence terminal, 10.0 ~ 15.0 cm long, with several different flowering flowers, orange yellow. Bracts 2 rows persistent, flat, 5.0-60 mm long ; sepals ovate, 4.0-5.0 mm long, 2.0 mm wide ; petals oblanceolate, 4.0 mm long, 1.5 mm wide ; the lip is about 3.3 mm long, with a short claw at the base, and the pole is bent downward. Each side of the lip disc has a protuberance, forming two circular corpus callosums. The column is about 3.0 mm long, with column wings at the top. 

Flowering period : June to July.