This species grow at the same locality as P. scopulicola, but distinguished from it by its smaller statue, the slender scape bearing a few-flowered umbel which flowers later, and the calyx parted almost to the base into linear lanceolate lobes. Leaves suborbicular to orbicular-reniform, base cordate, margin obscurely undulate and remotely hydathode-denticulate, covered sparsely with multicellular hairs on the upper surface and along the lateral nerves on the lower surface. Scapes 1-2 per plant, 4-7cm, with an umbel of 2-4 pinkish-purple, exannulate, bilobed flowers. Capsule globose. Grows in a ravine in Longtan Yan, Huagao Xi, Shuiwei Xiang, Xuyong Xian, Luzhou City, Sichuan which extends eastwards about 23kms to Si Dong Gou scenery district, Da Tong Zhen, Chishui City, Guizhou.