''Aglaomorpha quercifolia'' (

synonym A synonym is a word, morpheme, or phrase that means precisely or nearly the same as another word, morpheme, or phrase in a given language. For example, in the English language, the words ''begin'', ''start'', ''commence'', and ''initiate'' are a ...

''Drynaria quercifolia''), commonly known as the oakleaf fern or oakleaf basket fern, is a species of '' Aglaomorpha'' in the family

Polypodiaceae Polypodiaceae is a Family (biology), family of ferns. In the Pteridophyte Phylogeny Group classification of 2016 (PPG I), the family includes around 65 genus, genera and an estimated 1,650 species and is placed in the order Polypodiales, suborder ...

. Other common names for the fern are ''pakpak lawin'', ''gurar'', ''koi hin'', ''ashvakatri'', ''kabkab'', ''kabkaban'', or ''uphatkarul''.

Distribution

''Aglaomorpha quercifolia'' is native to

India India, officially the Republic of India, is a country in South Asia. It is the List of countries and dependencies by area, seventh-largest country by area; the List of countries by population (United Nations), most populous country since ...

Southeast Asia Southeast Asia is the geographical United Nations geoscheme for Asia#South-eastern Asia, southeastern region of Asia, consisting of the regions that are situated south of China, east of the Indian subcontinent, and northwest of the Mainland Au ...

Malaysia Malaysia is a country in Southeast Asia. Featuring the Tanjung Piai, southernmost point of continental Eurasia, it is a federation, federal constitutional monarchy consisting of States and federal territories of Malaysia, 13 states and thre ...

Indonesia Indonesia, officially the Republic of Indonesia, is a country in Southeast Asia and Oceania, between the Indian Ocean, Indian and Pacific Ocean, Pacific oceans. Comprising over List of islands of Indonesia, 17,000 islands, including Sumatra, ...

, the

Philippines The Philippines, officially the Republic of the Philippines, is an Archipelagic state, archipelagic country in Southeast Asia. Located in the western Pacific Ocean, it consists of List of islands of the Philippines, 7,641 islands, with a tot ...

New Guinea New Guinea (; Hiri Motu: ''Niu Gini''; , fossilized , also known as Papua or historically ) is the List of islands by area, world's second-largest island, with an area of . Located in Melanesia in the southwestern Pacific Ocean, the island is ...

, and

Australia Australia, officially the Commonwealth of Australia, is a country comprising mainland Australia, the mainland of the Australia (continent), Australian continent, the island of Tasmania and list of islands of Australia, numerous smaller isl ...

Description

It is a large species with deeply pinnatifid foliage fronds. The nest fronds resemble the leaves of

oak An oak is a hardwood tree or shrub in the genus ''Quercus'' of the beech family. They have spirally arranged leaves, often with lobed edges, and a nut called an acorn, borne within a cup. The genus is widely distributed in the Northern Hemisp ...

s, hence the common name. The sori are either scattered or arranged in two regular rows in between the secondary veins.

Trivia

"Kabkab", one of the plant's nicknames ("kabkaban" collectively for clumps of ferns), was the inspiration for the old name of

Carcar Carcar, officially the City of Carcar (; ), is a component city in the province of Cebu, Philippines. According to the 2020 census, it has a population of 136,453 people. History Before Spanish colonization,Carcar was known as "Kabkad" and ...

, one of the towns of the province of

Cebu Cebu ( ; ), officially the Province of Cebu (; ), is a province of the Philippines located in the Central Visayas region, and consists of a main island and 167 surrounding islands and islets. The coastal zone of Cebu is identified as a ...

in the

. This was due to the abundance of these fern plants in the trunks and branches of the large trees, as well as the lowlands surrounding the area of the town. Currently, the term "kabkaban" refers to the town's local festival in honor of St. Catherine of Alexandria, which celebrates the town's musical history. The Kabkaban Festival is held around the 23rd to the 25th of November.

References

{{Taxonbar, from1=Q66448174, from2=Q11110380, from3=Q21877116 Aglaomorpha Ferns of Asia Plants described in 1841