Helianthus smithii is a rare North American species of sunflower known by the common name Smith's sunflower. It is native to the southeastern United States, in Tennessee, Alabama, and Georgia.Helianthus smithii grows in wet, mucky soils in marshes, ditches, and roadsides. It is a perennial herb up to 260 cm (over 8 feet) tall, spreading by means of underground rhizomes. One plant usually produces 1-15 flower heads, each containing 12–23 yellow ray florets surrounding 100 or more red, yellow, or brown ...
Ierakstiet simptomu vai slimību un izlasiet par garšaugiem, kas varētu palīdzēt, ierakstiet zāli un redziet slimības un simptomus, pret kuriem tā tiek lietota.
* Visa informācija ir balstīta uz publicētiem zinātniskiem pētījumiem