The Underground Railroad was a secret network organized by people who helped men, women, and children escape from slavery to freedom. It operated before the Civil War (1861-1865) ended slavery in the United States.
Niger seed. Niger seed oil is obtained from the seeds of Niger plant, which belongs to the Asteraceae family and of the Guizotia genus. The botanical name of the plant is Guizotia abyssinica. The Niger plant is an erect, stout, branched annual herb, grown for its edible seeds and oil.Cultivation for the plant originated in the Ethiopian highlands, and has since spread from Malawi to India.iger seed oil is obtained from the seeds of Niger plant, which belongs to the Asteraceae family and of the Guizotia genus. The botanical name of the plant is Guizotia abyssinica.
In 1982 the USDA ordered that imported Niger seed must be heat sterilized to kill the contaminant dodder seed. This treatment, however, was insufficient to kill seeds of other Federal noxious weeds, including Asphodelus fistulosus (onion weed), Digitaria spp. (includes African couchgrass), Oryza spp.ts cultivation originated in the Ethiopian highlands, and has spread to other parts of Ethiopia. Common names include: noog/nug (Ethio-Semitic áá nÅ«g); niger, nyger, nyjer, or Niger seed; ramtil or ramtilla; inga seed; and blackseed, khursani in marathi Gujitil in Assamese.