Nephrolepis cordifolia
(L.) Presl.
Fishbone fern, Tuberous sword fern
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Summary
Source: WikipediaNephrolepis cordifolia is a fern native to the global tropics, including northeastern Australia and Asia. It has many common names including fishbone fern, tuberous sword fern, tuber ladder fern, erect sword fern, narrow sword fern and ladder fern, and herringbone fern. It is similar to the related fern Nephrolepis exaltata.
Description
A fern. It can grow in the soil or attached to other plants. It keeps growing from year to year and forms large colonies. It grows about 30-120 cm high. The roots often bear tubers. These can be 1 cm long. The stalk of the fern frond is stiff and brown and often is slightly scaly. It is 10-30 cm long. The fronds are narrow and divided into leaflets along the stalk. The fronds are 30-120 cm long by 2-7 cm wide. The leaflets are many and do not have a leaf stalk. The leaflets are 1-3.5 cm long by 0.4-1 cm wide. There are blunt teeth along the edge. The bases overlap. The spore bodies are kidney shaped. They are close to the leaf edge. It produces fleshy tubers along the runners.
Edible Uses
The root tubers are boiled or dried and used in soups with chicken or pork; soft tubers are consumed as a drink for their water content. The tender parts of the plant are cooked and eaten, particularly the fleshy young tubers which are especially popular with children.
Traditional Uses
The root tubers are eaten. They are boiled. They are also dried. They are used to prepare soup with chicken or pork. The soft tubers are also used for drink because of the water they contain. The tender parts are cooked and eaten when food is scarce.
Medicinal Uses
It is used in medicine in Bangladesh.
Distribution
It grows in tropical and subtropical places. In Nepal it grows between 500-2400 m altitude. It will grow in dark places and dry atmosphere. It can tolerate frost. In Argentina it grows from sea level to 1,000 m above sea level. Melbourne Botanical Gardens. It suits hardiness zones 10-12.
Where It Grows
Africa, Argentina, Asia, Australia, Bangladesh, Bhutan, Bolivia, Brazil, Cambodia, China, East Africa, Guianas, Guyana, Hawaii, Himalayas, India, Indochina, Indonesia, Japan, Korea, Laos, Malaysia, Mexico, Mozambique, Myanmar, Nepal, New Caledonia, New Zealand, Nigeria, Norfolk Island, North America, Northeastern India, Pacific, Pakistan, Paraguay, Philippines, SE Asia, Sikkim, Singapore, South America, Sri Lanka, St. Kitts and Nevis, Suriname, Thailand, Tibet, USA, Vietnam, West Africa, Zambia, Zimbabwe,
Cultivation
Plants can be grown from root tubers or by splitting the plant. It can also be grown from spores or from small plants produced along the runners.
Other Information
The fleshy young tubers are eaten especially by children. It is sold in local markets in China. It is cultivated.
Notes
There are about 20 Nephrolepis species. They grow in the tropics. It is used in medicine in Bangladesh. Also put in the family Davalliaceae.
Synonyms
Also Known As
Bagan fern, Boston fern, Feng huang, Hidum uli, Ladder fern, Narrow sword fern, Pakis umbi pedang, Pani amala, Pani saro, Qiu jue, Rasmada, Shusni shak, Sword fern, Ta-wai
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