What is "guizotia abyssinica"

Ramtil \Ram"til\ (r[a^]m"t[i^]l), n. [Bengali ram-til.] A tropical African asteraceous shrub ( Guizotia abyssinica) cultivated for its seeds (called ramtil seeds or niger seeds) which yield a valuable oil used for food and as an illuminant.

Til seed \Til seed\ (t[i^]l; t[=e]l).

1. The seed of sesame.

2. The seed of an African asteraceous plant ( Guizotia abyssinica), yielding a bland fixed oil used in medicine.

Guizotia abyssinica is an erect, stout, branched annual herb, grown for its edible oil and seed. Its cultivation originated in the Ethiopian highlands, and has spread to other parts of Ethiopia. Common names include: noog/nug ( Ethio-Semitic ኑግ nūg); niger, nyger, nyjer, or Niger seed; ramtil or ramtilla; inga seed; and blackseed, khursani in marathi '' Gujitil'' in Assamese