Japalura vela Wang, Jiang, Pan, Siler and Che, 2015[2][3] Diploderma vela, also known as sail mountain lizard, the mountain dragon or sail japalura, is a species of lizard endemic to China.

[8] In males it displays a pronounced sail-like vertebral crest along the length of the body and a dorsally black and ventrally white colouration.

In females there is no sail and it is medium to dark brown in colouration.

There is also faint reddish dorsolateral lines in the anterior half of the axilla-groin region in females.

[8] It displays white transverse streaks on the head as well as black radiated markings around the eyes.