| Family Name | Commelinaceae |
| Scientific name | Rhoeo discolor |
| Common name | Tradescantia, Spiderwort |
| Growth habit | Perennial herb |
| Leaf | Leaves are dark to metallic green above, with glossy purple underneath. |
| Flower | saucer-shaped, 3 petals and 3 sepals, in cymes with boat-shaped bracts |
| Fruit | no fruit |
| More to learn | Native to Mexico |
| Properties | Sweet tasting, cool, light |
| Treats | Phlegm, cooling Zhili. For Dryness cough, hemoptysis, whooping cough, lymph node tuberculosis, diarrhea, blood in the stool |
| Reference | A+醫學百科 |