Nicotiana quadrivalvis is a species of wild tobacco known as Indian tobacco. It is endemic to the western United States, where it grows in many types of habitat. It is a bushy, sprawling annual herb growing up to two meters in maximum height. The lower leaf blades are up to 15 centimetres (6 in) long and are borne on short petioles, the upper smaller and sessile on the stem. The inflorescence is an array of several white, greenish, or purple-tinged flowers with tubular throats up to 5 centimeters ...
Tape yon sentòm oswa yon maladi epi li sou remèd fèy ki ta ka ede, tape yon zèb ak wè maladi ak sentòm li itilize kont.
* Tout enfòmasyon baze sou rechèch syantifik pibliye