Oroxylum indicum | |
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Plate from book Flora de Filipinas, Gran edicion, Atlas I. by Francisco Manuel Blanco, 1880-1883? where name is Bignonia quadripinnata, Blanco. | |
Scientific classification | |
Kingdom: | Plantae |
(unranked): | Angiosperms |
(unranked): | Eudicots |
(unranked): | Asterids |
Order: | Lamiales |
Family: | Bignoniaceae |
Genus: | Oroxylum |
Species: | O. indicum |
Binomial name | |
Oroxylum indicum (L.) Benth. ex Kurz |
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Synonyms | |
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Oroxylum indicum is a species of flowering plant belonging to the monotypic genus Oroxylum (frequently spelled Oroxylon) and the family Bignoniaceae, commonly called midnight horror,oroxylum, or Indian trumpet flower. It is a mesocaul tree which can reach a height of 18 metres (59 ft).
The large leaf stalks wither and fall off the tree and collect near the base of the trunk, appearing to look like a pile of broken limb bones. These twice pinnate leaves in life are up to 7' 10.5" (240 cm) in length and comparably wide, borne on petioles or stalks up to 6' 7" (2 meters) in length, making this the largest of all dicot tree leaves. According to Corner they are quadripinnate (leaflets display four orders of branching). The individual leaflets can be up to six inches (15 cm) long by 3.5 inches (9 cm) wide. The tree is a night-bloomer and flowers are adapted to natural pollination by bats. They form enormous seed pods up to five feet (1.5 meters) long and four inches (10 cm) in width | that hang down from bare branches. Those long fruits curve downward and resemble the wings of a large bird or dangling sickles or swords in the night.
The seeds are round with papery wings.
Oroxylum indicum is native to: the Indian subcontinent, the Himalayan foothills with a part extending to Bhutan and southern China, Indochina and the Malesia regions. In Vietnam the tree is called núc nác (sometimes sò đo) and specimens can be found in Cat Tien National Park.
It is visible in the forest biome of Manas National Park in Assam, India. It is found, raised and planted in large number in the forest areas of the Banswara district in the state of Rajasthan in India. It is reported in the list of rare, endangered and threatened plants of Kerala (South India).