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Drosera linearis, commonly called the slenderleaf sundew,[1] is a sundew found in the Great Lakes region of North America, in Canada and the United States, such as Michigan, and in Montana. It is usually no more than four inches tall.[2]
| Drosera linearis | |
|---|---|
 | |
Scientific classification  | |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Order: | Caryophyllales |
| Family: | Droseraceae |
| Genus: | Drosera |
| Subgenus: | Drosera subg. Drosera |
| Section: | Drosera sect. Drosera |
| Species: | D. linearis |
| Binomial name | |
| Drosera linearis | |
| Synonyms | |
| |
Description
Drosera linearis is a herbaceous perennial with gland-tipped hairs covering long linear leaves. Plants form rosettes that are 6–15 cm wide. The stalks (stipules) of the leaves are 5 mm wide and hairless. The leaf blades are linear-shaped, 1–6 cm long, and 1.5–3 mm wide with edges lined with hair-like glands. The flower scapes are hairless, 6 to 13 cm long, ending in 1 to 4 white flowers. The flowers are 6–8 mm wide with obovate shaped petals. The seed capsules are 4–5 mm long and when ripe have black, oblong-obovoid to rhomboidal-shaped seeds that 0.5–0.8 mm long. The seeds are densely and irregularly pitted with craters. The diploid (2N) chromosome count is 20.[3][4]
Distribution and habitat
Drosera linearis range is centered around the great lakes region with scattered populations in western Canada and the maritime provinces. It is rare over most of its range, and only locally common in specific habitats. It is found in remote peat-lands in the northwestern and north central part of Minnesota; where it grows in minerotrophic water originating from groundwater or nearby uplands.[5] Because of its rareness and its restrictive habitats, it is listed as a threatened species in Minnesota.[4]
See also
References
- USDA, NRCS (n.d.). "Drosera linearis". The PLANTS Database (plants.usda.gov). Greensboro, North Carolina: National Plant Data Team. Retrieved 7 July 2009.
- D'Amato, P. 1998. The Savage Garden: Cultivating Carnivorous Plants. Ten Speed Press, Berkeley, California.
- "Drosera linearis Goldie". www.worldfloraonline.org. Retrieved 2020-12-15.
- Barbara Coffin; Lee Pfannmuller (1988). Minnesota's Endangered Flora and Fauna. U of Minnesota Press. p. 88. ISBN 978-0-8166-1689-3.
- "The Name "United States of America"<xref ref-type="fn" rid="fn1">1</xref>". The American Historical Review. October 1925. doi:10.1086/ahr/31.1.79. ISSN 1937-5239.
External links
Media related to Drosera linearis at Wikimedia Commons
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На других языках
[de] Drosera linearis
Drosera linearis ist eine fleischfressende Pflanze aus der Gattung Sonnentau (Drosera).- [en] Drosera linearis
[es] Drosera linearis
Drosera linearis,[1] es una especie de planta carnívora perteneciente a la familia de las droseráceas, nativa de la Región de los Grandes Lagos de Norteamérica, en Canadá y los Estados Unidos, como en Míchigan.[2]Другой контент может иметь иную лицензию. Перед использованием материалов сайта WikiSort.org внимательно изучите правила лицензирования конкретных элементов наполнения сайта.
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