Casuarina junghuhniana | |
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Casuarina Junghuhniana seen in Ambarita, Samosir | |
Scientific classification | |
Kingdom: | Plantae |
Clade: | Tracheophytes |
Clade: | Angiosperms |
Clade: | Eudicots |
Clade: | Rosids |
Order: | Fagales |
Family: | Casuarinaceae |
Genus: | Casuarina |
Species: | C. junghuhniana |
Binomial name | |
Casuarina junghuhniana Miq. | |
Subspecies | |
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Synonyms | |
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Casuarina junghuhniana, the mountain ru or red-tipped ru, is a tree in the family Casuarinaceae that originated in Java and Lesser Sunda Islands. The species has been introduced to Pakistan and Bangladesh. [2] [3]
Casuarina junghuhniana is an evergreen tree growing to 15–35 m (50–115 ft) tall. [4] The foliage consists of slender, much-branched green to grey-green twigs 0.8–1 mm (0.032–0.039 in) diameter, bearing minute scale-leaves in whorls of 9–11. It is dioecious and The flowers are produced in small catkin-like inflorescences. The fruit is an oval woody structure, superficially resembling a conifer cone made up of numerous carpels each containing a single seed with a small wing 4–5 mm (0.16–0.2 in) long. [5] Unlike Casuarina equisetifolia , Mountain Ru (C. junghuhniana) has a narrower canopy, small and neat branches. It has a straight and knotless trunk. [4] [6]
Like some other species of the genus Casuarina , C. junghuhniana is an actinorhizal plant able to fix atmospheric nitrogen. In contrast to species of the plant family Fabaceae (e.g., beans, alfalfa, Acacia), Casuarina harbours a symbiosis with a Frankia actinomycete. [7]
There are two subspecies: [8]
Casuarina junghuhniana is native to Java and the Lesser Sunda Islands. [1] The species has been introduced to Pakistan and Bangladesh as a restoration of degraded forest areas. [9]
Popularly grown as an ornamental plant and a windproof line. [6] The wood of this tree is used for shingles, fencing, and is said to make excellent hot-burning firewood. [10]
Trema is a genus of about 15 species of evergreen trees closely related to the hackberries (Celtis), occurring in subtropical and tropical regions of southern Asia, northern Australasia, Africa, South and Central America, and parts of North America. They are generally small trees, reaching 10–20 m (33–66 ft) tall.
Wallacea is a biogeographical designation for a group of mainly Indonesian islands separated by deep-water straits from the Asian and Australian continental shelves. Wallacea includes Sulawesi, the largest island in the group, as well as Lombok, Sumbawa, Flores, Sumba, Timor, Halmahera, Buru, Seram, and many smaller islands. The islands of Wallacea lie between the Sunda Shelf to the west, and the Sahul Shelf including Australia and New Guinea to the south and east. The total land area of Wallacea is 347,000 km2 (134,000 sq mi).
Casuarina equisetifolia, commonly known as coastal she-oak, horsetail she-oak, ironwood,beach sheoak, beach casuarina or whistling tree is a species of flowering plant in the family Casuarinaceae and is native to Australia, New Guinea, Southeast Asia and India. It is a small to medium-sized, monoecious tree with scaly or furrowed bark on older specimens, drooping branchlets, the leaves reduced to scales in whorls of 7 or 8, the fruit 10–24 mm (0.39–0.94 in) long containing winged seeds (samaras) 6–8 mm (0.24–0.31 in) long. It has been called ironwood, horsetair tree, beach sheoak, and Australian pine, though it is not pine despite some of its conifer like features.
Antidesma is a genus of tropical plant in the family Phyllanthaceae formally described by Linnaeus in 1753. It is native to tropical Africa, S + E + SE Asia, Australia, and various oceanic islands. The greatest diversity occurs in Southeast Asia.
Casuarina, also known as Australian pine and native pine, is a genus of flowering plants in the family Casuarinaceae, and is native to Australia, the Indian subcontinent, Southeast Asia, islands of the western Pacific Ocean, and eastern Africa.
Shirakiopsis is a genus of flowering plants in the family Euphorbiaceae first described as a genus in 1999. There are six known species, 3 native to tropical Asia and 3 to tropical Africa.
Dipterocarpus is a genus of flowering plants and the type genus of family Dipterocarpaceae.
Dysoxylum is a flowering plant genus of trees and shrubs from the mahogany family, Meliaceae.
Dendrocnide is a genus of approximately 40 species of plants in the nettle family Urticaceae. They have a wide distribution across North East India, Southeast Asia, Australia and the Pacific Islands. In Australia they are commonly known as stinging trees.
Bromo Tengger Semeru National Park is a national park located in East Java, Indonesia, to the east of Malang and Lumajang, to the south of Pasuruan and Probolinggo, and to the southeast of Surabaya, the capital of East Java. It is the only conservation area in Indonesia that has a sand sea, the Tengger Sand Sea, across which is the caldera of an ancient volcano (Tengger) from which four new volcanic cones have emerged. This unique feature covers a total area of 5,250 hectares at an altitude of about 2,100 meters (6,900 ft). The massif also contains the highest mountain in Java, Mount Semeru, four lakes and 50 rivers. It is named after the Tengger tribe. The explosion of the volcano that created the caldera, happened ca. 45.000 years ago, in an event similar to the Krakatau eruption.
Casuarina cunninghamiana, commonly known as river oak, river sheoak or creek oak, is a species of flowering plant in the family Casuarinaceae and is native to Australia and New Guinea. It is a tree with fissured and scaly bark, sometimes drooping branchlets, the leaves reduced to scales in whorls of 6 to 10, the fruit 7–14 mm (0.28–0.55 in) long containing winged seeds (samaras) 3–4 mm (0.12–0.16 in) long.
Casuarina glauca, commonly known as swamp she-oak, swamp buloke, swamp she-oak, marsh sheoak, grey she-oak, grey she-oak, native pine, or guman by the Gadigal people, is a species of flowering plant that is endemic to eastern Australia. It is a dioecious tree that often forms root suckers and has fissured and scaly bark, spreading or drooping branchlets, the leaves reduced to scales in whorls of 12 to 20, the fruit 9–18 mm (0.35–0.71 in) long containing winged seeds (samaras) 3.5–5.0 mm (0.14–0.20 in) long.
Paraserianthes lophantha, the Cape Leeuwin wattle, Bicol wattle, Cape wattle, crested wattle or plume albizia, is a fast-growing tree with creamy-yellow, bottlebrush like flowers. It is the sole species in genus Paraserianthes.
Pararchidendron pruinosum is an Australian rainforest tree growing from the Shoalhaven River in New South Wales to Herberton in north Queensland. It is also native to New Guinea and to Java, Sulawesi, and the Lesser Sunda Islands in Indonesia. Common names include Snow-wood, Tulip Siris and Monkey's Earrings. It is the sole species in genus Pararchidendron.
The Lesser Sundas deciduous forests is a tropical dry forest ecoregion in Indonesia. The ecoregion includes the islands of Lombok, Sumbawa, Komodo, Flores, and Alor, along with the many adjacent smaller islands.
Casuarina pauper, commonly known as black oak, belah or kariku, is a species of flowering plant in the family Casuarinaceae and is endemic to southern continental Australia. It is a dioecious tree with fissured or scaly bark, waxy branchlets, the leaves reduced to scales in whorls of 9 to 13, the fruit 13–18 mm (0.51–0.71 in) long containing winged seeds (samaras) 5.5–7.0 mm (0.22–0.28 in) long.
The Lesser Sunda Islands, also known as Nusa Tenggara Islands, are an archipelago in Maritime Southeast Asia, most of the Lesser Sunda Islands are located within the Wallacea region, except for the Bali province which is west of the Wallace Line and is within the Sunda Shelf. Together with the Greater Sunda Islands to the west they make up the Sunda Islands. The islands are part of a volcanic arc, the Sunda Arc, formed by subduction along the Sunda Trench in the Java Sea. Slightly over 20 million people live on the islands. Etymologically, Nusa Tenggara means "Southeast Islands" from the words of nusa which means 'island' from Old Javanese language and tenggara means 'southeast'.
Rhododendron javanicum is a rhododendron species native to Indonesia, Malaysia, and the Philippines. This evergreen shrub grows to 5 m (16 ft) with bright orange flowers in spring. Plants may be terrestrial or epiphytic. Some forms from the Philippines may have red or bicoloured flowers, but are less often seen in cultivation.
Syzygium racemosum, the wax jambu, is a species of flowering plant in the family Myrtaceae. It is native to Thailand, Peninsular Malaysia, Java, the Lesser Sunda Islands, and Borneo. A tree reaching 37 m (120 ft), it is occasionally harvested for its timber, and a black dye can be made from its bark.
Alstonia spectabilis, commonly known as bitterbark, yellowjacket, milky yellowwood, leatherjacket, jackapple, hard milkwood or hard cheesewood, is a medium-sized species of tree in the dogbane family. It is native to eastern Malesia, Melanesia and northern Australia.