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Drosera burmanni

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Drosera burmanni
Drosera burmanni
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Order: Caryophyllales
Family: Droseraceae
Genus: Drosera
Subgenus: Drosera subg. Drosera
Section: Drosera sect. Thelocalyx
Species:
D. burmanni
Binomial name
Drosera burmanni
Occurrence data from AVH and GBIF
Synonyms
  • D. burmanni var. dietrichiana (Rchb.f.) Diels
  • D. dietrichiana Rchb.f.

Drosera burmanni, the tropical sundew,[2][3] is a small, compact species in the carnivorous plant genus Drosera. Its natural geographical range includes the tropical and subtropical regions of Asia (India, Taiwan, Southeast Asia, and China's Guangxi, Guangdong, Yunnan, and Fujian provinces) and Australia.[4] It normally spans only 2 cm (0.8 in) in diameter. It is one of the fastest trapping sundews as well, and its leaves can curl around an insect in only a few seconds, compared to the minutes or hours it takes other sundews to surround their prey. In nature, D. burmanni is an annual, but in cultivation, when grown indoors during the cold months, it can live for many years. Since D. burmanni is an annual, it produces large amounts of seed.[4] Drosera burmanni has been considered a powerful rubefacient in Ayurveda.[5]

Drosera burmanni is an herb that produces very short stems and leaves in a rosette. Each wedge-shaped leaf is typically 8–10 mm long and 5–6 mm wide. White flowers are produced in groups of 3 to 10 on 6–15 cm (2–6 in) tall racemose inflorescences, of which there can be one to three per plant.[6]

The first brief description of the species was written by Paul Hermann and published after Hermann's death by William Sherard in Musaeum Zeylanicum. It was described in more detail by Johannes Burman in his 1737 publication on the flora of Ceylon. Burman used the polynomial Ros solis foliis circa radicem in orbem dispositis,[7] but the species was not formally published until 1794 when Martin Vahl named it in honor of Burman as Drosera burmanni. The species epithet is frequently modified to burmannii, however because it was derived from the Latinised form 'Burmannus' the original spelling is correct.[8]

In 1871 Heinrich Gustav Reichenbach described a new species, D. dietrichiana, named after its discoverer Amalie Dietrich. In his 1906 monograph of the Droseraceae, Ludwig Diels reduced this species to a variety of D. burmanni. This variety was described as being a larger and more robust plant than D. burmanni var. burmanni. Both D. dietrichiana and the variety are now considered synonyms of D. burmanni.[3][9]

See also

[edit]
[edit]
  • Massed plants
    Massed plants
  • Habit
    Habit
  • Flower
    Flower
  • Drosera burmanni in a greenhouse.
    Drosera burmanni in a greenhouse.


References

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  1. ^ Zhuang, X. (2011). "Drosera burmanni". IUCN Red List of Threatened Species. 2011: e.T169038A6566220. doi:10.2305/IUCN.UK.2011-1.RLTS.T169038A6566220.en. Retrieved 18 November 2021.
  2. ^ "Drosera burmanni". FloraBase. Western Australian Government Department of Biodiversity, Conservation and Attractions.
  3. ^ a b Erickson, Rica. 1968. Plants of Prey in Australia. Lamb Paterson Pty. Ltd.: Osborne Park, Western Australia.
  4. ^ a b Brittnacher, John. "Growing Drosera burmannii and D. sessilifolia". International Carnivorous Plant Society. Retrieved 31 October 2016.
  5. ^ Lewis, Walter H., 1977 Medical Botany - Plants Affecting Man's Health. John Wiley & Sons, St. Louis, Missouri.
  6. ^ Marchant, N. G., and George, A. S. 1982. Droseraceae. Flora of Australia, Vol. 8. pp. 9-64.
  7. ^ Burman, Johannes. 1737. Thesaurus zeylanicus, exhibens plantas in insula Zeylana nascentes. Amsterdam. p. 207.
  8. ^ Conn, B. J. (1980). "A review of Drosera in Papuasia". Brunonia. 3 (2): 211–213. doi:10.1071/BRU9800209. Retrieved 26 October 2024.
  9. ^ Schlauer, J. 2009. World Carnivorous Plant List - Nomenclatural Synopsis of Carnivorous Phanerogamous Plants Archived 2016-09-18 at the Wayback Machine. Accessed online: 12 September 2009.
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