Tripterygium regelii

Tripterygium regelii, or Regel's threewingnut (Pinyin: Dongbei Leigongteng),[1] is a rambling, shrubby perennial deciduous yellow vine native to Korea, Japan and Manchuria. It grows to about 200 centimetres (79 in). Small very pretty yellowish white or white flowers appear in May–June and are produced on 203–229 millimetres (8.0–9.0 in). long panicles, and smell somewhat of new-mown hay. Fruits are greenish white, 3-angled, and winged.[2][3]

"Tripterygium wilfordii Hook.f., known as Leigongteng (Thunder God Vine) in traditional Chinese medicine, has attracted much attention for its applications in relieving autoimmune disorders such as rheumatoid arthritis and systemic lupus erythematosus, and for treating cancer. Molecular analyses of the ITS and 5S rDNA sequences indicate that T. hypoglaucum and T. doianum are not distinct from T. wilfordii, while T. regelii should be recognized as a separate species. The results also demonstrate potential value of rDNA sequence data in forensic detection of adulterants derived from Celastrus angulatus in commercial samples of Leigongteng."[4]

Tripterygium regelii
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Celastrales
Family: Celastraceae
Genus: Tripterygium
Species:
T. regelii
Binomial name
Tripterygium regelii
Sprag. & Takeda
Tripterygium regelii.

Certain extracts from Tripterygium wilfordii, as well as from Tripterygium hypoglaucum (now considered identical to T. regelii) and Tripterygium regelii, were discovered in the 1980s to have temporary antifertility effects, which has led to research on its potential as a contraceptive.

Tripterygium regelii is listed as a poisonous plant in the U.S. Food and Drug Administration Poisonous Plant Database.[5]

Footnotes
  1. Law et al (2010), p. 21.
  2. "Tripterygium regelii". Backyard Gardener. Retrieved April 11, 2011.
  3. "Tripterygium regelii". Plant Supplies. Archived from the original on March 21, 2012. Retrieved April 11, 2011.
  4. Law et al (2010), p. 21.
  5. GuangSheng, D. "Important Chinese herbal remedies". FDA Poisonous Plant Database. Retrieved April 11, 2011.

References
  • Downloadable PDF - "Molecular analyses of the Chinese herb Leigongteng (Tripterygium wilfordii Hook.f.)" (2010). Sue Ka-Yee Law et al. Phytochemistry 72 (2011) 21–26, Elsevier.
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