Pteris ensiformis

Pteris ensiformis, the slender brake,[2] silver lace fern, sword brake fern, or slender brake fern, is a plant species of the genus Pteris in the family Pteridaceae.[3] It is found in Asia and the Pacific.

Pteris ensiformis
Pteris ensiformis

Secure  (NatureServe)
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Class: Polypodiopsida
Order: Polypodiales
Family: Pteridaceae
Genus: Pteris
Species:
P. ensiformis
Binomial name
Pteris ensiformis
Burm. f, 1768
Varieties[1]
  • var. ensiformis
  • var. furcans Ching 1983
  • var. grevilleana Clarke ex Bedd. 1883
  • var. merrillii (C. Chr. ex Ching) S.H. Wu 1990
  • var. victoriae Baker 1890

Uses

Beverages

It is the most common ingredient of traditional herbal drinks in Taiwan containing different phenolic compounds : kaempferol 3-O-α-l-rhamnopyranoside-7-O-[α-d-apiofuranosyl-(1-2)-β-d-glucopyranoside], 7-O-caffeoylhydroxymaltol 3-O-β-d-glucopyranoside, hispidin 4-O-β-d-glucopyranoside, kaempferol 3-O-α-l-rhamnopyranoside-7-O-β-d-glucopyranoside, caffeic acid, 5-O-caffeoylquinic acid, 3,5-di-O-caffeoylquinic acid and 4,5-di-O-caffeoylquinic acid.[4]

This plant is resistant to arsenic-induced oxidative stress.[5]

Benzoyl-beta-D-glucoside, as well as pterosin sesquiterpenes can be found in P. ensiformis.[6]

Cultivation

Pteris ensiformis is cultivated as an ornamental plant for tropical and subtropical climate gardens, and as a house plant.

Cultivars
  • Pteris ensiformis 'Victoriae', the Victoria fern
  • Pteris ensiformis 'Evergemiensis'

See also
  • List of plants with edible leaves

References
  1. Tropicos, 2012 Tropicos.org. Missouri Botanical Garden. 26 Feb 2012
  2. "Pteris ensiformis". Natural Resources Conservation Service PLANTS Database. USDA. Retrieved 15 October 2015.
  3. Christenhusz, Maarten J. M.; Zhang, Xian-Chun; Schneider, Harald (18 February 2011). "A linear sequence of extant families and genera of lycophytes and ferns" (PDF). Phytotaxa. 19: 7–54. doi:10.11646/phytotaxa.19.1.2. ISSN 1179-3163.
  4. Chen, Y.; Chang, F.; Lin, Y.; Wang, L.; Chen, J.; Wu, Y.; Wu, M. (2007). "Identification of phenolic antioxidants from Sword Brake fern (Pteris ensiformis Burm.)". Food Chemistry. 105: 48–56. doi:10.1016/j.foodchem.2007.03.055.
  5. Singh, N.; Ma, L. Q.; Srivastava, M.; Rathinasabapathi, B. (2006). "Metabolic adaptations to arsenic-induced oxidative stress in Pteris vittata L and Pteris ensiformis L". Plant Science. 170 (2): 274. doi:10.1016/j.plantsci.2005.08.013.
  6. Chen, Y. H.; Chang, F. R.; Lu, M. C.; Hsieh, P. W.; Wu, M. J.; Du, Y. C.; Wu, Y. C. (2008). "New Benzoyl Glucosides and Cytotoxic Pterosin Sesquiterpenes from Pteris ensiformis Burm". Molecules. 13 (2): 255–266. doi:10.3390/molecules13020255. PMC 6245482. PMID 18305416.


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