Helianthus exilis is a species of sunflower known by the common name serpentine sunflower. It is endemic to northern California (from Siskiyou County south to Napa County and Nevada County), where it grows mainly in mountainous areas, often in serpentine soils.Helianthus exilis is an erect annual reaching heights over a meter (40 inches)). It has a hairy, rough stem with leaves lance- or oval-shaped, usually pointed, sometimes serrated along the edges, and 3 to 15 centimeters (1.2-6.0 inches) long. ...
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