Ophioglossum nudicaule

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                         Ophioglossum nudicaule Linnaeus f., Suppl. Pl. 443. 1781.   
                               

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Nomenclature and Taxonomy

Ophioglossum nudicaule is known as Adder's tongue in English and In Nepal, it is locally known by different names in different languages viz., Jibre saag (Nepali), Ledap (Tamang), Aek patiya (Tharu). [1] It is a pteridophyte belonging family Ophioglossaceae. It is also provided with synonyms Ophioglossum dendroneuron E. P. St. John; O. ellipticum Hooker & Greville; O. mononeuron E. P. St.John. [2]

Plant Description

Ophioglossum nudicaule is a herbaceous fern with rhizomes small, slightly tuberous. Fronds are distinct with sterile fronds 2.5-7 cm long, 2-3.5 cm wide, linear to ovate; fertile fronds about 2.5 cm long, spike greenish. [1]

Ecology and Distribution

Ophioglossum nudicaule grows in fully exposed sandy soil along the river and laterite areas during the wet season. [3] In Nepal, it is distributed throughout the country up to 1800 m in moist, shady places. [1]

Phenology and Reproduction

Ophioglossum nudicaule produce spores in March to October. It reproduces by spores. [1]

Conservation Status

Economic Value

Ophioglossum nudicaule is important for food and medicine. Its fronds are cooked as a vegetable and paste of roots is applied to wounds. [1]

Phytochemistry and Pharmacology

Diseases and Pathogens

References

  1. 1.0 1.1 1.2 1.3 1.4 Manandhar, N. P. (2002). Plants and People of Nepal. Portland, Oregon, USA: Timber Press. p. 337.
  2. Ophioglossum nudicaule Linnaeus, Suppl. Pl. 443. 1781. (2015). Flora of North America. Retrieved from http://www.efloras.org/florataxon.aspx?flora_id=1&taxon_id=200002903 on July 19th, 2015.
  3. Slender adder's-tongue (Ophioglossum nudicaule). (2015). Retrieved from http://www.inaturalist.org/taxa/137231-Ophioglossum-nudicaule on July 19th, 2015.