Jaluko, Grape fern
Botrychium lanuginosum
Family: Ophioglossaceae
What it is like
A fern which grows on land. It has a stout rhizome. The fern is fleshy. It is covered with hair like scales. The fronds are solitary and 12-35 cm long. They are delta shaped. The stipes are about 30 cm long and like fibres. The fertile branch arises from the middle of the sterile portion. It is divided 3 times. The sporangia are yellow. They occur in two rows.
There are about 25-40 Botrychium species.
Where it is found
It is a temperate plant. It occurs throughout Nepal between 1500-3000 m altitude. It grows in exposed, wet places. It can be on rocky walls where humus has accumulated.
Countries/locations it is found in
Africa, America, Asia, Bhutan, Europe, Himalayas, India, Japan, Nepal, Nigeria, Sri Lanka
How it is used for food
The tender fronds are cooked as a vegetable.
Edible parts
Fronds, leaves
How it is grown
Plants can be grown from spores or fragments of the rhizome.
Its other names
Local names
Jaluko
Synonyms
Japonobotrychium langinosum (Wallich ex Hook & Greville)Nishida ex Tagawa; Botrychium virginianum (L.)Sw. var. lanuginosum Bedd.; Osmundopteris lanuginosa (Wall. ex Hook. et Grev.)Nishida;