It prefers mountain slopes under Pinus forests or open mountainous areas.
The inflorescence is terminal, racemose, with few flowers. Flowers are large, 18 mm long, on pedicels about 6 mm long, covered in short soft hairs. The calyx has 5 unequal sepals, one of which is hood-shaped and about 6 mm long, while the other two are elongated oval, approximately 4 mm long. The inner sepals are petaloid, elliptic-oblong, about 14 mm long and 6 mm wide, with 3-5 veins. Petals are 3, white or pale green-white, with lateral petals oblong, about 15 mm long, fused with the keel petal for about 2/3 of its length, and ending in 4 finger-like appendages.
Details about the fruit are not specified in the text.
It is found in Guizhou and Yunnan provinces of China, growing on mountain slopes under Pinus forests or on open mountainsides, at around 1900 meters above sea level.