| Family | GESNERIACEAE |
| Genus species | Petrocosmea mairei H.Lév. |
| Bibliography | Bull. Acad. Int. Géogr. Bot. 25: 24 (1915) |
| Native Range | sc. China |
| Primary Biome | Temperate |
| Habitat | shady rocks |
| Altitude | 1900-2600m |
| Description | acaulescent, leaves petiolate, suborbiculate, 1-3cm, abaxially densely puberulent, cuneate, at apex crenate, acute, round, flowers solitary, peduncles pilose |
| Size | 3-5cm |
| Color | blue |
| Bloom | spring, summer |
| Ca | |
| Type | perennial |
| Cultivation | shady, humous, rock crevices alpine house, humous, gravelly soil, shade |
| Propagation | seed in spring, germ. 1 month, 13-18°C division in spring and late summer; leaf cuttings in summer |
| Territory | 3 Asia-Temperate 36 China (CHC China South-Central) |