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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Nokrek Biosphere Reserve, Meghalaya Desc: Ferns of the tropics.

Growing in all vegetation types from coastal plains to forests. This fern grows as an epiphyte in lowland forest, secondary drynqria, urban areas and wayside trees.

Scales x mm, dark brown, linear or lanceolate, acuminate, fimbriate subpeltate. Search in all groups Search within this group. Polypodiaceae Pteridophyta of Asia Plants described in Can include ecosystem services. Life Cycle For an account of the life history of a fern, see Pyrrosia piloselloides.

Epiphytic on tree trunk and large branches, the creeping rhizome is anchored to the substratum by the many roots growing from the ventral surface. By using this site, you agree to the Terms of Use and Privacy Policy. Population size is treated under Population Biology, and trends in population sizes are treated under Trends. References de Winter, W.

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Journal of International Development and Cooperation. Spores 50 x Contribution to the pteridophytic flora of India: The Digital Nature Archive of Singapore is built up by the help of various people: However, this is the preferred element if an object includes all of these things and details about conservation listings. Checklist of World Ferns. Species specific search options Taxon Hierarchy.

User Group specific search options Title. Biology and Evolution of Ferns and Lycophytes. It includes published material or suggestions from the author or others.

If you wish to contribute any images, documents, videos or other forms of media, or if you have any queries…. Natural History Natural History. Related People Wee Yeow Chin. It is a large species with deeply pinnatifid foliage fronds. Plant resources of South-East Asia No.

In any event, the source must be explicitly quoted. However, benefits to ecosystems not specific to humans are best treated under Risk statement what happens when the organism is removed.

Message The user has shared this species from India Biodiversity Portal with you. A classification for extant ferns. Best supported on Google Chrome, Firefox 3. Known or potential benefits of the species for humans, at a direct economic level, quercifolai instruments of education, prospecting, eco-tourism, etc.

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Drynaria quercifolia

Description Rhizome 2 cm thick, the younger portions densely covered with dark brown scales. Send a request for permission. Document specific search options Title. Views Read Edit View quedcifolia. Related observations Show all. Nest fronds overlap along the rhizome, turning brown with age but not falling off. Technology Biodiversity in India. Email us at dbsthh nus. User specific search options User.

Archived from the original PDF on March 22, Encyclopedia of Life EOL.

Drynaria quercifolia – Useful Tropical Plants

Describes the likelihood of the species becoming extinct in the present day or in the near future. Foliage fronds with stipe of about 30 cm long, lamina to x 40 cm, lobes to about 1 cm from the midrib and oblique. II Ferns of Malaya.