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Pandanus pluriloculatus is a tree up to 22 m tall with a dark brown bark and a spiny trunk up to 30 cm in diameter. The crown of the tree is narrowly cylindric, with three spirals of large leaves at the top. Most of the trunk below the crown has many short branchlets with narrow leaves and fruit spikes.
The tree is grown and propagated from shoots that form spontaneously in the axils of lower leaves. Pandanus fruits are eaten by animals including bats, rats, crabs, and elephants, but the vast majority of species are dispersed primarily by water. [8] Its fruit can float and spread to other islands without help from humans. [19]
Pandanus tectorius naturally grows in coastal regions, such as on mangrove margins and beaches, [9] at elevations from sea level to 610 m (2,000 ft). [17] It requires 1,500–4,000 mm (59–157 in) of annual rainfall and seasons will fluctuate from wet to dry. [18] Pandanus tectorius is considered
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Pandanaceae is a family of flowering plants native to the tropics and subtropics of the Old World, from West Africa to the Pacific.It contains 982 known species [2] in five genera, [3] of which the type genus, Pandanus, is the most important, with species like Pandanus amaryllifolius and karuka (Pandanus julianettii) being important sources of food.
These roots not only anchor the tree but also keep it upright during times of heavy winds and rain in tropical regions. Prop roots can be 2.5 to 7.5 centimetres (0.98 to 2.95 in) in diameter. P. utilis is dioecious, with the female and male reproducing structures occurring on different plants. Individual plants are either male producing ...
The karuka (Pandanus julianettii, also called karuka nut and Pandanus nut) is a species of tree in the screwpine family (Pandanaceae) and an important regional food crop in New Guinea. [6] The nuts are more nutritious than coconuts , [ 2 ] and are so popular that villagers in the highlands will move their entire households closer to trees for ...
(Pandanus rigidifolius is the only other local species of Pandanus to have rigid, incurved leaves but it is a smaller decumbent species and its leaves are smaller and replicate.) The large (20–25 cm) fruit-head is held erect on a short peduncle. Each fruit-head is packed with 20-30 purple, flattened, angular drupes. [1] [2] [3]