Herbs & Plants

Osmunda asiatica

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Botanical Name : Osmunda asiatica
Family: Osmundaceae
Genus: Osmunda
Class: Polypodiopsida /?Pteridopsida (disputed)
Order: Osmundales

Synonyms : Osmunda cinnamomea var. asiatica

Common Name : Asian cinnamon fern

Habitat :Osmunda asiatica is native to E. AsiaChina, Japan, Korea. It grows on wet places all over Japan.

Osmunda asiatica is a non flowering plant. Arising from stout underground rhizomes uncurling crosiers, are densely covered in woolly red-brown hairs mixed with blackish ones. To 90 cm tall by 20 cm wide, yellow-green finely divided fronds from tight rosettes. Bearing in their centres one to several shorter and narrower fertile red-brown fertile fronds which soon wither after discharging their spore. Easily grown in a moisture retentive soil with adequate drainage in full to part shade…..CLICK & SEE THE PICTURES

Likes a soil of swamp mud and loamy or fibrous peat, sand and loam. Succeeds in most moist soils, preferring acid conditions. Requires a constant supply of water, doing well by ponds, streams etc. Plants thrive in full sun so long as there is no shortage of moisture in the soil and also in shady situations beneath shrubs etc. Members of this genus are rarely if ever troubled by browsing deer.

Spores – they very quickly lose their viability (within 3 days) and are best sown as soon as they are ripe on the surface of a humus-rich sterilized soil in a lightly shaded place in a greenhouse. Keep the compost moist, preferably by putting a plastic bag over the pot. Plants develop very rapidly, pot on small clumps of plantlets as soon as they are large enough to handle and keep humid until they are well established. Do not plant outside until the ferns are at least 2 years old. Cultivars usually come true to type[200]. Division of the rootstock in the dormant season. This is a very strenuous exercise due to the mass of wiry roots.

Medicinal Uses: Not yet known.

Known Hazards: Although no reports of toxicity for this species is found, a number of ferns contain carcinogens so some caution is advisable[200]. Many ferns also contain thiaminase, an enzyme that robs the body of its vitamin B complex. In small quantities this enzyme will do no harm to people eating an adequate diet that is rich in vitamin B, though large quantities can cause severe health problems. The enzyme is destroyed by heat or thorough drying, so cooking the plant will remove the thiaminase

Disclaimer : The information presented herein is intended for educational purposes only. Individual results may vary, and before using any supplement, it is always advisable to consult with your own health care provider.