Description from Flora of China
Parrya platycarpa J. D. Hooker & Thomson, J. Proc. Linn. Soc., Bot. 5: 136. 1861, not Rydberg (1912); P. finchiana Dunn; Solms-laubachia orbiculata Y. C. Lan & T. Y. Cheo.
Herbs (2-)4-10(-15) cm tall, glabrous or densely pubescent with straight or crisped, retrorse trichomes to 1.1 mm; caudex covered with petioles of previous years. Petioles of basal leaves (0.5-)1.5-3(-6) cm, ciliate, thickened and subcorky, persistent, often ciliate at least basally; leaf blade lanceolate, elliptic, oblanceolate, or spatulate, rarely broadly obovate, suborbicular, or linear-oblanceolate, (0.5-)1-3.5(-5) cm × 2-7(-10) mm, glabrous or densely pilose, sometimes only sparsely so at leaf apex and petiole base, base cuneate or attenuate, apex acute or rounded. Cauline leaves 1 or 2, much narrower than basal ones, sessile. Racemes 4-10-flowered. Fruiting pedicels divaricate-ascending, 3-10(-15) mm. Sepals oblong to oblong-linear, 4.5-6.5(-8) × 1.5-2 mm, glabrous or pilose. Petals pale blue or purplish, obovate, (1-)1.2-1.5(-1.7) cm × 4-5 mm; claw 6-9 mm. Filaments of median staminal pairs 3-4 mm, those of lateral pair 2-2.5 mm; anthers 1-1.5 mm. Ovules 10-20 per ovary. Fruit elliptic, oblong, or broadly ovate, (1-)1.5-3 × (0.8-)1-1.7 cm; valves glabrous or shortly pilose, prominently reticulate veined; septum complete; style 0.5-3 mm; stigma entire or slightly lobed. Seeds biseriate, broadly ovate or suborbicular, papillate, 2.5-3.5 × 1.7-2.2 mm. Fl. Jun-Jul, fr. Jul-Sep.
Rocky ravines, cliff ledges, beneath boulders, stony hillsides; 4200-5800 m. Xizang [Bhutan, Sikkim].