Answers are worldwide river names, no letters given
1. Time to take unwanted plant for this river.
2. Found in a jar, honestly.
3. Cut off north.
4. Get down from this river.
5. In the train dust is not tolerated.
6. Does this river flow slowly and tackily?
7. Concealed by those who dismiss our ignorance.
Thank you for any help. Wishing you all a Happy and Peaceful 2017.