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, ...
Clóscríobh symptom nó galar agus léigh faoi luibheanna a d’fhéadfadh cabhrú, luibh a chlóscríobh agus galair agus comharthaí a úsáidtear ina choinne a fheiceáil.
* Tá an fhaisnéis uile bunaithe ar thaighde eolaíoch foilsithe