Hexasepalum teres: Difference between revisions
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'''''Hexasepalum teres''''' is a species of flowering plant in the [[Rubiaceae|coffee family]] known by the common names '''poorjoe''' and '''rough buttonweed'''. This annual plant is native to Mexico, Central America, South America, the [[West Indies]] and the United States from [[California]] to [[Florida]] and from [[Kansas]] to [[Massachusetts]].<ref>[http://plants.usda.gov/maps/large/DI/DITET.png USDA Plants Database]</ref> The species is also naturalized in the Netherlands, the [[Canary Islands]], Western Africa, Angola, China, Japan and Korea,<ref name="lucyliu">{{Cite web |url=http://tai2.ntu.edu.tw/taiwania/pdf/tai.2010.55.2.177.pdf |title=Yi-Ding Gao, Rui-Jiang Wang & Ching-I Peng. 2010. Diodia teres Walt. (Rubiaceae), a Newly Recorded Weed in Fujian. Taiwania 55 (2): 177-179 |access-date=2014-05-03 |archive-url=https://web.archive.org/web/20140504030450/http://tai2.ntu.edu.tw/taiwania/pdf/tai.2010.55.2.177.pdf |archive-date=2014-05-04 |url-status=dead }}</ref> India, and Madagascar.<ref>[http://www.cabi.org/isc/datasheet/19056 Invasive Species Compendium, ''Diodella teres'']</ref> |
'''''Hexasepalum teres''''' is a species of flowering plant in the [[Rubiaceae|coffee family]] known by the common names '''poorjoe''' and '''rough buttonweed'''.{{citation needed}} This annual plant is native to Mexico, Central America, South America, the [[West Indies]] and the United States from [[California]] to [[Florida]] and from [[Kansas]] to [[Massachusetts]].<ref>[http://plants.usda.gov/maps/large/DI/DITET.png USDA Plants Database]</ref> The species is also naturalized in the Netherlands, the [[Canary Islands]], Western Africa, Angola, China, Japan and Korea,<ref name="lucyliu">{{Cite web |url=http://tai2.ntu.edu.tw/taiwania/pdf/tai.2010.55.2.177.pdf |title=Yi-Ding Gao, Rui-Jiang Wang & Ching-I Peng. 2010. Diodia teres Walt. (Rubiaceae), a Newly Recorded Weed in Fujian. Taiwania 55 (2): 177-179 |access-date=2014-05-03 |archive-url=https://web.archive.org/web/20140504030450/http://tai2.ntu.edu.tw/taiwania/pdf/tai.2010.55.2.177.pdf |archive-date=2014-05-04 |url-status=dead }}</ref> India, and Madagascar.<ref>[http://www.cabi.org/isc/datasheet/19056 Invasive Species Compendium, ''Diodella teres'']</ref> |
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''Hexasepalum teres'' has a thin, erect or prostrate stem rarely up to {{cvt|65|cm}} in height. It has opposite leaves which are stiff, dark green, elliptical, pointed, and roughly-textured, up to {{cvt|3|cm}} long. Each pair of leaves cradles a flower at its base. The small white to pinkish-purple flower has four stiff petal-like lobes up to {{cvt|12|mm}} long and {{cvt|10|mm}} wide. The fruit is [[ellipsoid]], splitting into two [[nutlet]]s This plant is most common in sandy areas such as desert dunes and river floodplains.<ref name="lucyliu"/><ref>[https://www.biodiversitylibrary.org/page/7361197#page/291/mode/1up Small, John Kunkel & Carter, Joel Jackson. 1913. Flora of Lancaster County (Pennsylvania) 271].</ref> |
''Hexasepalum teres'' has a thin, erect or prostrate stem rarely up to {{cvt|65|cm}} in height. It has opposite leaves which are stiff, dark green, elliptical, pointed, and roughly-textured, up to {{cvt|3|cm}} long. Each pair of leaves cradles a flower at its base. The small white to pinkish-purple flower has four stiff petal-like lobes up to {{cvt|12|mm}} long and {{cvt|10|mm}} wide. The fruit is [[ellipsoid]], splitting into two [[nutlet]]s This plant is most common in sandy areas such as desert dunes and river floodplains.<ref name="lucyliu"/><ref>[https://www.biodiversitylibrary.org/page/7361197#page/291/mode/1up Small, John Kunkel & Carter, Joel Jackson. 1913. Flora of Lancaster County (Pennsylvania) 271].</ref> |
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Revision as of 20:14, 19 September 2021
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Scientific classification 
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| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Asterids |
| Order: | Gentianales |
| Family: | Rubiaceae |
| Genus: | Hexasepalum |
| Species: | H. teres
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| Binomial name | |
| Hexasepalum teres (Walter) J.H.Kirkbr.
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| Synonyms | |
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List
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Hexasepalum teres is a species of flowering plant in the coffee family known by the common names poorjoe and rough buttonweed.[citation needed] This annual plant is native to Mexico, Central America, South America, the West Indies and the United States from California to Florida and from Kansas to Massachusetts.[1] The species is also naturalized in the Netherlands, the Canary Islands, Western Africa, Angola, China, Japan and Korea,[2] India, and Madagascar.[3]
Hexasepalum teres has a thin, erect or prostrate stem rarely up to 65 cm (26 in) in height. It has opposite leaves which are stiff, dark green, elliptical, pointed, and roughly-textured, up to 3 cm (1.2 in) long. Each pair of leaves cradles a flower at its base. The small white to pinkish-purple flower has four stiff petal-like lobes up to 12 mm (0.47 in) long and 10 mm (0.39 in) wide. The fruit is ellipsoid, splitting into two nutlets This plant is most common in sandy areas such as desert dunes and river floodplains.[2][4]
References
- ^ USDA Plants Database
- ^ a b "Yi-Ding Gao, Rui-Jiang Wang & Ching-I Peng. 2010. Diodia teres Walt. (Rubiaceae), a Newly Recorded Weed in Fujian. Taiwania 55 (2): 177-179" (PDF). Archived from the original (PDF) on 2014-05-04. Retrieved 2014-05-03.
- ^ Invasive Species Compendium, Diodella teres
- ^ Small, John Kunkel & Carter, Joel Jackson. 1913. Flora of Lancaster County (Pennsylvania) 271.
External links
- Jepson Manual Treatment
- USDA, NRCS (n.d.). "Diodella teres". The PLANTS Database (plants.usda.gov). Greensboro, North Carolina: National Plant Data Team.
- Go Botany, New England Wildflower Society