DRYNARIA QUERCIFOLIA PDF

Class: Pteridopsida. Order: Polypodiales. Family: Polypodiaceae. Genus: Drynaria. Species: D. quercifolia. Common Names: Oak-leaf fern. Status: Common. Drynaria quercifolia is found in Bangladesh, India, Pakistan, North America, and Africa (Khan et al., ). The rhizome of D. quercifolia can be cm. Pharmacognostical studies were carried out on the medicinally important fern Drynaria quercifolia (L.) (Polypodiaceae), which is used to cure various.

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Drynaria quercifolia

Biology and Evolution of Ferns and Lycophytes. Drynaria brancifolia Presl Moore. Fronds dimorphic; sterile bracket fronds x cm, simple; stipe cm long, thick; lamina elliptic in outline; cordate at base, lobed; quercifloia x cm, ovate to ovate-lanceolate, obtuse or rounded; thick coriaceous; costa and primary veins thick, raised above and below; veinlets copiously anastomosing, raised above qusrcifolia below; fertile fronds x cm, simply pinnate; stipe x 0.

Ferns and fern allies. Uses and Management Uses and Management Uses. Nokrek Dryjaria Reserve, Meghalaya Desc: Nomenclature and Classification Nomenclature and Classification.

However, benefits to ecosystems not specific to humans are best treated under Risk statement what happens when the organism is removed. The current map showing distribution of species is only indicative.

Other common names for the fern are pakpak lawingurarkoi hinashvakatrior uphatkarul. This page was last edited on 12 Novemberat Description Rhizome 2 cm thick, the younger portions densely covered with dark brown scales.

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Enumerates geographic entities where the taxon lives. Document specific search options Title. Nest fronds overlap along the rhizome, turning brown with age but not falling off.

For an account of quercifloia life history of a fern, see Pyrrosia piloselloides. Drynaria quercifolia Linnaeus J.

A textual diagnostic description of the species that is not necessarily structured. Foliage fronds with stipe of about 30 cm long, lamina to x 40 cm, lobes to about 1 cm from the midrib and oblique. Send a request for permission. Printing Office, Singapore 2nd ed.

Epiphytes or lithophytes with creeping, branched, densely scaly rhizome, 0. Checklists specific search options Observed during. Appendix A Classification system of ferns and lycophytes. From Wikipedia, the free encyclopedia. Articles with ‘species’ microformats Taxonbars with automatically added basionyms. Population size is treated under Population Biology, and trends in population sizes are treated under Trends.

Message The user has shared this species from India Biodiversity Portal with you. In any event, the source must be explicitly quoted. Drynaria quercifoliacommonly drynadia as the oakleaf fernis a species of basket fern in the family Polypodiaceae. Archived from the original PDF on March 22, It is a large species with deeply pinnatifid foliage fronds.

Overview Overview Diagnostic Diagnostic Keys.

Drynaria quercifolia

Remember me Quercifoliw password? Does not include altitudinal distribution, which is covered under Habitat. Email us at dbsthh nus. Views Read Edit View history. General Biology Epiphytic on tree trunk and large branches, the creeping rhizome is anchored to the substratum by the many roots growing from the ventral surface. Search in all groups Search within this group.

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Growing in all vegetation types from coastal plains to forests. The portal will be unavailable all day on Sunday 23rd Dec for maintenance. Technology Biodiversity in India.

Known or potential benefits of the species for humans, at a direct economic level, as instruments of education, prospecting, eco-tourism, etc. However, this is the preferred element if an object includes all of these things and details about conservation listings. References de Winter, W. Occurrence Occurrence Occurrence Records.

This fern grows as an epiphyte in lowland forest, secondary forest, urban areas and wayside trees.

Powered by the open source Biodiversity Informatics Platform. Life Cycle For an account of the life history of a fern, see Pyrrosia piloselloides. Sori in a regular row on each side of the main vein, round and 2 mm wide.