Diplazium esculentum

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Diplazium esculentum
Starr 030807-8009 Diplazium esculentum.jpg
Scientific classification e
Kingdom: Plantae
Division: Pteridophyta
Class: Polypodiopsida/Pteridopsida
(disputed)
Order: Polypodiales
Family: Athyriaceae
Genus: Diplazium
Species: D. esculentum
Binomial name
Diplazium esculentum
(Retz.) Sw.
Synonyms

Athyrium esculentum

Growing along a stream
Yam phak khut: a Thai salad of fern leaves and pork

Diplazium esculentum, the vegetable fern, is an edible fern found throughout Asia and Oceania. It is probably the most commonly consumed fern.[1] It is known as pucuk paku in Malaysia, pakô in the Philippines,[2] dhekia (ঢেকীয়া) in Assam "Dhenkir Shaak (ঢেঁকির শাক) in Bengali, and linguda in northern India, referring to the curled fronds. In Thailand it is known as phak khut (Thai: ผักกูด). They may have mild amounts of fern toxins but no major toxic effects are recorded.[3]

The genus Diplazium is in the family Athyriaceae, in the eupolypods II clade[4] of the order Polypodiales,[5] in the class Polypodiopsida.[6]

Description[edit]

This plant is a large perennial fern with ascending rhizome of about 20 cm high and covered with short rufous scales of about 1 cm long. The plant is bipinnate with long brownish petioles, and the petiole base is black and covered with short scales. The frond can reach 1.5 cm in length, and the pinnae is about 8 cm long and 2 cm wide.[7]

Uses[edit]

The young fronds are stir-fried as a "vegetable" or used in salads.[2][8] In Hawaii it is used to make pohole.The plant is sometimes grown as a house plant.

Pharmacological effects[edit]

The extract also had alpha-glucosidase inhibitory activity.[9]

References[edit]

  1. ^ Anonymous. "Vegetable fern" (PDF). Use and production of D. esculentum. AVRDC (The World Vegetable Center). Archived from the original (PDF) on 26 April 2012. Retrieved 27 November 2011. 
  2. ^ a b Copeland EB (1942). "Edible Ferns". American Fern Journal. 32 (4): 121–126. doi:10.2307/1545216. 
  3. ^ Gangwar Neeraj Kumar (2004). "Studies on pathological effects of linguda (Diplazium esculentum, Retz.) in laboratory rats and guinea pigs". Indian Journal of Veterinary Pathology. 28 (2). 
  4. ^ Carl J. Rothfels; Anders Larsson; Li-Yaung Kuo; Petra Korall; Wen- Liang Chiou; Kathleen M. Pryer (2012). "Overcoming Deep Roots, Fast Rates, and Short Internodes to Resolve the Ancient Rapid Radiation of Eupolypod II Ferns". Systematic Biology. 61 (1): 70. PMID 22223449. doi:10.1093/sysbio/sys001. 
  5. ^ Maarten J. M. Christenhusz; Xian-Chun Zhang; Harald Schneider (2011). "A linear sequence of extant families and genera of lycophytes and ferns" (PDF). Phytotaxa. 19: 7–54. 
  6. ^ Alan R. Smith; Kathleen M. Pryer; Eric Schuettpelz; Petra Korall; Harald Schneider; Paul G. Wolf (2006). "A classification for extant ferns" (PDF). Taxon. 55 (3): 705–731. doi:10.2307/25065646. Archived from the original (PDF) on 2008-02-26. 
  7. ^ Tanaka, Yoshitaka; Van Ke, Nguyen (2007). Edible Wild Plants of Vietnam: The Bountiful Garden. Thailand: Orchid Press. p. 37. ISBN 9745240893. 
  8. ^ Ethnobotanical Leaflets
  9. ^ Chai TT, Yeoh LY, Mohd Ismail NI, Ong HC, Abd Manan F, Wong FC (2015) Evaluation of glucosidase inhibitory and cytotoxic potential of five selected edible and medicinal ferns. Tropical Journal of Pharmaceutical Research 14 (3): 449-454.