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Pennsylvania smartweed is a variable annual herb reaching 10 cm (3.9 in) to 2 m (6.6 ft) tall. The upright, ribbed stems are branching or unbranched. The lance-shaped leaves have a short petiole and a blade about 4–17 cm (1.6–6.7 in) long, sometimes up to 23 cm (9 in). The blade may be marked with a dark blotch.
Illustration from the Japanese agricultural encyclopedia Seikei Zusetsu (1804). Persicaria is a genus of herbaceous flowering plants in the knotweed family, Polygonaceae.Plants of the genus are known commonly as knotweeds [2]: 436 or smartweeds. [3]
Persicaria virginiana, also called jumpseed, [2] Virginia knotweed or woodland knotweed [3] is a North American species of smartweed within the buckwheat family. It is unusual as a shade-tolerant member of a mostly sun-loving genus. Jumpseed is a perennial, named for its seeds which can "jump" several feet when a ripe seedpod is disturbed.
The Polygonaceae are a family of flowering plants known informally as the knotweed family or smartweed—buckwheat family in the United States. The name is based on the genus Polygonum , and was first used by Antoine Laurent de Jussieu in 1789 in his book, Genera Plantarum . [ 2 ]
This is a list of properties and historic districts on the National Register of Historic Places within the city limits of St. Louis, Missouri, south of Interstate 64 and west of Downtown St. Louis. For listings in Downtown St. Louis, see National Register of Historic Places listings in Downtown and Downtown West St. Louis.
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[4] [5] Despite its listing on the National Register of Historic Places, Saint Louis University requested permission to demolish the entire complex in December 2011. [6] The St. Louis Preservation Board initially denied the university permission to demolish all buildings on the site, but in February 2012, the city Planning Commission overturned ...
City of St. Louis: Maintained by: St. Louis City Street Department [1] Length: 9.2 mi (14.8 km) [2] Width: 5-7 lanes: Location: St. Louis, Missouri: Postal code: 63116, 63104, 63110, 63103, 63106, 63107, 63102: Nearest metro station: Grand: South end: Holly Hills Avenue in Holly Hills: Major junctions: Route 366 in Tower Grove South Route 30 in ...