Stem : stem cylindrical, fleshy, drooping, thickest in the upper and middle, gradually tapering downward, stem is wrapped by leaf sheath with membranous stripes, old sheath residues are torn fibrous.

Leaves : Leaves papery, alternate in two rows to the top of the stem, lanceolate, apex acuminate, midrib depressed on leaf surface, leaf back protuberant.

Flower : flower and leaf opposite, flower development ; pedicel with ovary ca. 3.2 cm long, petals and sepals pale pink, middle sepal lanceolate, apex acute, bilaterally retrorse, ca. 2.7 cm long, ca. 1 cm wide ; petals obovate - lanceolate, ca. 3.2 cm long, ca. 1.1 cm wide, apex acute ; lateral sepals lanceolate, base contorted, ca. 3 cm long, ca. 0.8 mm wide, apex acute ; the lip flap is nearly round, and the surface and back are all fluffy. The base has claws, dark purple red, and has a milky white slightly elevated ridge. There are three longitudinal ribs on it. The front is broad funnel-shaped, and the edge is milky white or light pink with tassel-shaped teeth. The middle is yellow and has a fork-shaped vein, and the back is involution on both sides. Stamen column white, stamen column foot deep purplish red, base concave into a small hole ; medicine cap white. 

Flowering : April-May.

Fruit :