- Evergreen, creeping shrub (ground cover), dense, mound forming (70 cm high) or prostrate (15 cm). Leaves small, 6-15mm long, obovate, dull green. Flowers white, solitary, in summer. Fruit red, 6-15 mm long; not heavily produced.
- Sun to part shade. A good rock garden plant.
- Hardy to USDA Zone 6 Native to the Himalayas. A highly variable species (Hillier, 1998).
- congestus: arranged very closely together, presumably a reference to the leaves.