Dendrocnide meyeniana

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Dendrocnide meyeniana
RBB4787 Dendrocnide meyeniana.jpg
Scientific classification OOjs UI icon edit-ltr.svg
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Rosales
Family: Urticaceae
Genus: Dendrocnide
Species:
D. meyeniana
Binomial name
Dendrocnide meyeniana
Synonyms
List
  • Urtica umbellataBlanco (1837)
  • Urtica meyenianaWalp. (1843)
  • Urtica feroxBlanco (1845)
  • Laportea gaudichaudianaWedd. (1856)
  • Laportea pterostigmaWedd. (1869)
  • Laportea meyenianaWarb. (1905)
  • Laportea mindanaensisWarb. (1905)
  • Laportea batanensisC.B.Rob. (1911)
  • Laportea diffusaC.B.Rob. (1911)
  • Laportea leytensisC.B.Rob. (1911)
  • Laportea subglabraHayata (1911)
  • Laportea platyphyllaMerr. (1916)

Dendrocnide meyeniana or the poisonous wood nettle is a species of tree in the family Urticaceae, native to the thickets and secondary forests of Taiwan and the Philippines. The specific epithet meyeniana honors Franz Meyen, who collected the type specimen in Manila during his world cruise. [1]

Contents

In the Philippines, the city of Lipa in Batangas is named after this plant. Locals distinguish it primarily by the short stinging hairs [2] on its twigs.

In Taiwanese Mandarin, it is widely known as yǎoréngǒu, a name which has been used since the early Qing period referring to the skin irritation or inflammation its stinging hairs may cause. [3] [4] Among the Paiwan people, [5] and Puyuma people [6] of Taiwan, both ethnic groups have the custom of whipping adolescents with the plant as a rite of passage or a corporal punishment. [5] [7]

Medicinal importance

The poisonous wood nettle may cause acute dermatitis when the skin gets into contact with the stinging hairs on its leaves, [8] or other parts such as stems or inflorescences. The fruit and receptacle are edible, but the stalk is not, because it is covered with stinging hairs. The stinging hairs of D. meyeniana are short and hard to see. Although the leaves are densely covered with stinging hairs, they are invisible to the eyes. [9]

In Philippine traditional medicine, the tree's sap is prepared as a drink for improving the production of breast milk. Its roots and leaves can also be used as a diuretic. [10]

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Urtica dioica, often known as common nettle, burn nettle, stinging nettle or nettle leaf, or just a nettle or stinger, is a herbaceous perennial flowering plant in the family Urticaceae. Originally native to Europe, much of temperate Asia and western North Africa, it is now found worldwide. The species is divided into six subspecies, five of which have many hollow stinging hairs called trichomes on the leaves and stems, which act like hypodermic needles, injecting histamine and other chemicals that produce a stinging sensation upon contact.

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References

  1. Walpers, W. G. (1843). "Adnotatio". Nova Acta Physico-Medica Academiae Caesareae Leopoldino-Carolinae Naturae Curiosorum (in Latin). 19 (Suppl. 1): 297–495.
  2. Castro, I. R. (2006). A Guide to Families of Common Flowering Plants in the Philippines. Quezon City: University of the Philippines Press. p. 176. ISBN   978-971-542-525-4 . Retrieved 3 May 2022.
  3. Huang, S.-J. (1736). 臺海使槎錄[Records from the Mission to Taiwan and its Strait] (in Chinese). Vol. 3. 治痔漏:三腳虎草、三腳鱉草、咬人狗、虎尾崙。
  4. Fan, X., ed. (1747). 重修臺灣府志[Revised Gazetteer of Taiwan Prefecture] (in Chinese). Vol. 18. 咬人狗,其木甚鬆,手搯之,便長條迸起;可為火具。高丈餘。葉長大似烟葉,有毛刺;刺人入毛孔甚癢,痛搔發紅腫,一晝夜方止。
  5. 1 2 Cheng, H.-W.; Wang, H.-H.; Cheng, H.-F.; Lai, H.-Y., eds. (2004). 排灣族民族植物 [Paiwan Ethnobotany](PDF) (in Chinese (Taiwan)). Taipei: Taiwan Forestry Research Institute, Council of Agriculture. p. 190. ISBN   957-01-8642-9.
  6. Lin, H.-F.; Yang, M.-H., eds. (2021). 你是我的菜:利卡夢生活植物[Plants in Rikavon Daily Life] (in Chinese (Taiwan)). Taipei: Taitung Forest District Office, Forestry Bureau. ISBN   978-986-5455-17-0.
  7. 林育世 (August 31, 2000). "台東達魯瑪克部落豐年祭" (in Chinese (Taiwan)). 今周刊.
  8. Chang, Y.-T.; Shen, J.-J.; Wong, W.-R.; Yen, H.-R. (2009). "Alternative Therapy for Autosensitization Dermatitis". Chang Gung Medical Journal. 32 (6): 668–673. CiteSeerX   10.1.1.628.6388 . PMID   20035647.
  9. 林育安. "有毒植物 焮毛細小而肉眼不易察覺的咬人狗" (in Chinese (Taiwan)). 行政院農業委員會. Retrieved 2022-12-04.
  10. Williams, C. (2012). Medicinal Plants in Australia Volume 3: Plants, Potions and Poisons. Kenthurst, N.S.W.: Rosenberg Publishing. p. 57. ISBN   978-1-925078-07-7 . Retrieved 3 May 2022.