Diplazium esculentum

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Diplazium esculentum
Starr 030807-8009 Diplazium esculentum.jpg
Scientific classification
Kingdom: Plantae
Division: Pteridophyta
Class: Polypodiopsida
Order: Polypodiales
(unranked): Eupolypods II
Family: Athyriaceae
Genus: Diplazium
Species: D. esculentum
Binomial name
Diplazium esculentum
(Retz.) Sw.

Athyrium esculentum

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

Vegetable fern (Diplazium esculentum) is an edible fern found throughout Asia and Oceania. It is probably the most commonly consumed fern.[1] The young fronds are stir-fried as a "vegetable" or used in salads.[2][3]

In Hawaii it is used to make pohole.


It is known as pucuk paku in Malaysia, paco 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.[4]

Diplazium esculentum is sometimes grown as a house plant.

The genus Diplazium is in the family Athyriaceae, in the eupolypods II clade[5] of the order Polypodiales,[6] in the class Polypodiopsida.[7]

Pharmacological effects[edit]

The extract also had alpha-glucosidase inhibitory activity.[8]


  1. ^ Anonymous. "Vegetable fern" (PDF). Use and production of D. esculentum. AVRDC (The World Vegetable Center). Retrieved 27 November 2011. 
  2. ^ a b Copeland EB (1942). "Edible Ferns". American Fern Journal 32 (4): 121–126. doi:10.2307/1545216. 
  3. ^ Ethnobotanical Leaflets
  4. ^ 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). 
  5. ^ 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. doi:10.1093/sysbio/sys001. 
  6. ^ 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. 
  7. ^ 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. 
  8. ^ 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.