Helianthus porteri is a species of sunflower known by the common names Porter's sunflower, Stone Mountain Daisy and Confederate daisy. It is native to the southeastern United States, such as Alabama and Georgia, but has been introduced to granite outcrop areas in North Carolina where it is aggressively weedy.Helianthus porteri grows on thin soils on and around flat rock granite and gneiss outcrops . It is an annual herb up to 100 cm (40 inches) tall. One plant usually produces 5 or more flower heads, ...
Tapez un symptôme ou une maladie et lisez des informations sur les herbes qui pourraient aider, tapez une herbe et voyez les maladies et symptômes contre lesquels elle est utilisée.
* Toutes les informations sont basées sur des recherches scientifiques publiées