| 1 | A new species of medicinal Rubia. | |
| 2 | Plants used in dyeing - Woad, Weld, Madder, Sumach. | |
| 3 | Results:The content of anthraquinones is high. in thin Rubia cordifolia L. | |
| 4 | Pseudopyxis Miq. , a newly recorded genus of Rubiaceae from China. | |
| 5 | I quite worry him, I thought perhaps he obtains the rubia plant. |
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