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- Helianthus_schweinitzii abstract "Helianthus schweinitzii, known by the common name Schweinitz's sunflower, is a perennial wildflower endemic to the Piedmont physiographic province of North Carolina and South Carolina. It is classified in the Sunflower Family (Asteraceae). Nationwide it is one of the rarest plants in the United States, but within its range it is not uncommon along utility and highway rights-of-way in North Carolina and South Carolina. There are only about 90 known populations, many containing less than 40 plants each. It was listed as a federal endangered species on May 7, 1991.Schweinitz's Sunflower grows from 1 to 4 m tall. Its stems are usually solitary, branching only at or above mid-stem. It flowers for about two to three weeks in early October. It is named for Lewis David von Schweinitz (1780-1834), a Salem, North Carolina clergyman and botanist who discovered the species. It was first described by botanists John Torrey (1796-1873) and Asa Gray (1810-1888).It is believed by some that Schweinitz's Sunflower formerly occupied prairie-like habitats or Post Oak-Blackjack Oak savannas maintained by some degree of disturbance. Historically, this was provided by fire and/or native grazing animals such as Elk and American Bison, but these species were never common in North or South Carolina, so it is much more likely that suitable habitat was maintained by periodic controlled burns by native Americans. However, repeated mowing during the flowering and fruiting season is harmful to the species. Schweinitz's sunflower is known from a variety of soil types but is generally found growing on shallow, poor, clayey and/or rocky soils.".
- Helianthus_schweinitzii binomialAuthority John_Torrey.
- Helianthus_schweinitzii class Eudicots.
- Helianthus_schweinitzii conservationStatus "G3".
- Helianthus_schweinitzii conservationStatusSystem "TNC".
- Helianthus_schweinitzii division Flowering_plant.
- Helianthus_schweinitzii family Asteraceae.
- Helianthus_schweinitzii family Heliantheae.
- Helianthus_schweinitzii family Helianthoideae.
- Helianthus_schweinitzii genus Helianthus.
- Helianthus_schweinitzii kingdom Plant.
- Helianthus_schweinitzii order Asterales.
- Helianthus_schweinitzii order Asterids.
- Helianthus_schweinitzii thumbnail Helianthus_schweinitzii.jpg?width=300.
- Helianthus_schweinitzii wikiPageExternalLink CPC_ViewProfile.asp?CPCNum=2205.
- Helianthus_schweinitzii wikiPageID "18641041".
- Helianthus_schweinitzii wikiPageRevisionID "565388800".
- Helianthus_schweinitzii binomial "Helianthus schweinitzii".
- Helianthus_schweinitzii binomialAuthority Asa_Gray.
- Helianthus_schweinitzii binomialAuthority John_Torrey.
- Helianthus_schweinitzii familia Asteraceae.
- Helianthus_schweinitzii genus "Helianthus".
- Helianthus_schweinitzii hasPhotoCollection Helianthus_schweinitzii.
- Helianthus_schweinitzii ordo Asterales.
- Helianthus_schweinitzii regnum Plant.
- Helianthus_schweinitzii species "H. schweinitzii".
- Helianthus_schweinitzii status "G3".
- Helianthus_schweinitzii statusSystem "TNC".
- Helianthus_schweinitzii subfamilia Helianthoideae.
- Helianthus_schweinitzii tribus Heliantheae.
- Helianthus_schweinitzii unrankedClassis Eudicots.
- Helianthus_schweinitzii unrankedDivisio Flowering_plant.
- Helianthus_schweinitzii unrankedOrdo Asterids.
- Helianthus_schweinitzii subject Category:Flora_of_North_America.
- Helianthus_schweinitzii subject Category:Flora_of_North_Carolina.
- Helianthus_schweinitzii subject Category:Flora_of_South_Carolina.
- Helianthus_schweinitzii subject Category:Helianthus.
- Helianthus_schweinitzii type Eukaryote.
- Helianthus_schweinitzii type Plant.
- Helianthus_schweinitzii type Species.
- Helianthus_schweinitzii type Plant.
- Helianthus_schweinitzii type Organism.
- Helianthus_schweinitzii comment "Helianthus schweinitzii, known by the common name Schweinitz's sunflower, is a perennial wildflower endemic to the Piedmont physiographic province of North Carolina and South Carolina. It is classified in the Sunflower Family (Asteraceae). Nationwide it is one of the rarest plants in the United States, but within its range it is not uncommon along utility and highway rights-of-way in North Carolina and South Carolina.".
- Helianthus_schweinitzii label "Helianthus schweinitzii".
- Helianthus_schweinitzii sameAs m.04gk2kt.
- Helianthus_schweinitzii sameAs Q5704879.
- Helianthus_schweinitzii sameAs Q5704879.
- Helianthus_schweinitzii wasDerivedFrom Helianthus_schweinitzii?oldid=565388800.
- Helianthus_schweinitzii depiction Helianthus_schweinitzii.jpg.
- Helianthus_schweinitzii isPrimaryTopicOf Helianthus_schweinitzii.
