| 1. | a variety of rose, Rosa centrifolia muscosa, having a mosslike growth on the calyx and stem. |
| 2. | rose moss. |

| a portulaca, Portulaca grandiflora, widely cultivated for its showy flowers. |
| moss rose n. A variety of rose (Rosa centifolia) native to the Caucasus, having a mossy flower stalk and calyx and fragrant pink flowers, used as a source of attar. |