Ivan Christian Nielsen

Danish palaeontologist and naturalist (born 1946).

Abbreviations: I.C.Nielsen
Occupations: explorer, paleontologist, botanist
Citizenships: Kingdom of Denmark
Dates: 1946-00-00T00:00:00Z – 2007-00-00T00:00:00Z
Direct attributions: 123 plants, 0 fungi
Authorship mentions: 140 plants, 0 fungi

123 plants attributed, 17 plants contributed to140 plants:

Archidendron pauciflorum (Djenkol Tree) (Benth.) I.C.Nielsen 1985
medicinal plant species in the fabaceae family
Archidendron pauciflorum is a species of flowering plant in the family Fabaceae. It is native to Sulawesi, the Philippines, and the Lesser Sunda Islands.
Paraserianthes lophantha (Plume Albizzia) (Vent.) I.C.Nielsen 1983
plant species in the fabaceae family
Paraserianthes lophantha (syn. Albizia lophantha), the Cape Leeuwin wattle, Bicol wattle, Cape wattle, Crested wattle, Brush wattle or plume albizia, is a fast-growing tree with creamy-yellow, bottlebrush like flowers. It is the sole species in genus Paraserianthes. It is a small tree (uppermost height approximately 5 metres or 16 feet) that occurs naturally along the southwest coast of Western Australia, from Fremantle to King George Sound. It is also native to Sumatra, Java, and the Lesser Sunda Islands. It was first spread beyond southwest Australia by Baron Ferdinand von Mueller, who gave
Paraserianthes I.C.Nielsen 1983
plant genus in the fabaceae family
Paraserianthes lophantha (syn. Albizia lophantha), the Cape Leeuwin wattle, Bicol wattle, Cape wattle, Crested wattle, Brush wattle or plume albizia, is a fast-growing tree with creamy-yellow, bottlebrush like flowers. It is the sole species in genus Paraserianthes. It is a small tree (uppermost height approximately 5 metres or 16 feet) that occurs naturally along the southwest coast of Western Australia, from Fremantle to King George Sound. It is also native to Sumatra, Java, and the Lesser Sunda Islands. It was first spread beyond southwest Australia by Baron Ferdinand von Mueller, who gave
Archidendron bigeminum (L.) I.C.Nielsen 1985
plant species in the fabaceae family
Archidendron bigeminum is a tree species in the legume family (Fabaceae). It is found in India and Sri Lanka. It is known as "kalitiya - කලටිය" in Sinhala. The World Conservation Monitoring Centre (WCMC) in the 1998 IUCN Redlist reviewed Abarema bigemina and Pithecellobium gracile as Vulnerable species. These are nowadays both considered junior synonyms of Archidendron bigeminum. It may be that the Indian population consists of a smaller-growing variety than that on Sri Lanka.
Archidendropsis I.C.Nielsen 1983
plant genus in the fabaceae family
Archidendropsis is a genus of flowering plants in the family Fabaceae. It includes 11 species, which are native to Australia, New Guinea, the Bismarck Archipelago, Solomon Islands, and New Caledonia.
Archidendron jiringa (Jering) (Jack) I.C.Nielsen 1979
plant species in the fabaceae family
Archidendron jiringa, commonly known as djenkol, jengkol or jering, is a species of flowering plant in the family Fabaceae. It is native to Southeast Asia, where the seeds are also a popular dish. They are mainly consumed in Indonesia, Thailand, Myanmar, and Vietnam, prepared by frying, boiling, or roasting, and eaten raw. The beans are mildly toxic due to the presence of djenkolic acid, an amino acid that causes djenkolism (djenkol bean poisoning). The beans and leaves of the djenkol tree are traditionally used for medicinal purposes, such as purifying the blood. To date, djenkol is traded
Archidendron hendersonii (White Lace Flower) (F.Muell.) I.C.Nielsen 1982
plant species in the fabaceae family
Archidendron hendersonii, the white lace flower or tulip siris, is a rainforest tree in eastern Australia. A rare plant, listed as vulnerable, it is named after J.A. Henderson, who collected the original specimen at Ballina. It grows north from the Richmond River, New South Wales up to Cape Melville in tropical Queensland. The tree grows up to 18 metres tall with a trunk diameter of 60 cm. Its former habitat of riverine and lowland sub-tropical rainforest in New South Wales is mostly destroyed for housing and agriculture.
Archidendron bubalinum (Jack) I.C.Nielsen 1979
plant species in the fabaceae family
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Pararchidendron pruinosum (Monkey's-earrings) (Benth.) I.C.Nielsen 1983
plant species in the fabaceae family
Pararchidendron pruinosum is an Australian rainforest tree growing from the Shoalhaven River (34° S) in New South Wales to Herberton (17° S) 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 habitat of the Snow-wood is tropical, sub-tropical, warm temperate, littoral and riverine rainforest. Like most legume species, it fixes atmospheric nitrogen in the soil via its symbiotic partnership with root bacteria
Archidendropsis paivana (E.Fourn.) I.C.Nielsen 1983
vulnerable plant species in the fabaceae family
Archidendropsis paivana is a species of flowering plant in the family Fabaceae. It is found only in New Caledonia. Its natural habitat is subtropical or tropical dry forests. It is threatened by habitat loss.
Archidendropsis glandulosa (Guillaumin) I.C.Nielsen 1983
vulnerable plant species in the fabaceae family
Archidendropsis glandulosa is a species of flowering plant in the family Fabaceae. It is found only in New Caledonia. It is threatened by habitat loss.
Archidendron clypearia (Monkey-pod) (Jack) I.C.Nielsen 1979
medicinal plant species in the fabaceae family
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Archidendropsis lentiscifolia (Benth.) I.C.Nielsen 1983
vulnerable plant species in the fabaceae family
Archidendropsis lentiscifolia is a species of flowering plant in the family Fabaceae. It is found only in New Caledonia. It is threatened by habitat loss.
Archidendron muellerianum (Veiny Laceflower) (Maiden & R.T.Baker) I.C.Nielsen 1982
plant species in the fabaceae family
Archidendron muellerianum, the veiny lace flower or small-flower laceflower, is a rainforest tree with a restricted range in eastern Australia. It is a rare plant, with a ROTAP rating of 3RCa. The tree was first described as Albizia muelleriana in 1896 by Joseph Maiden and Richard Thomas Baker, before being moved to its current binomial name by Nielsen. The specific epithet muellerianum honours the name of one of Australia's outstanding colonial botanists, Ferdinand von Mueller. Archidendron muellerianum grows as a tree up to 20 metres (66 feet) tall. The trunk has grey bark and can reach
Serianthes rurutensis (F.Br.) I.C.Nielsen 1983
endangered plant species in the fabaceae family
Serianthes rurutensis is a species of flowering plant in the family Fabaceae. It is a tree endemic to the islands of Rurutu and Raivavae in the Tubuai Islands of French Polynesia.
Archidendron scutiferum (Blanco) I.C.Nielsen 1985
plant species in the fabaceae family
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Archidendron quocense (Pierre) I.C.Nielsen 1979
plant species in the fabaceae family
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Archidendron lucidum (Chinese Apes-earring) (Benth.) I.C.Nielsen 1979
medicinal plant species in the fabaceae family
Archidendron lucidum is a tree species in the legume family (Fabaceae).
Archidendron grandiflorum (Fairy Paintbrushes) (Benth.) I.C.Nielsen 1982
plant species in the fabaceae family
Archidendron grandiflorum, the pink laceflower, is a species of tree found in northern Australia and New Guinea. This tree reaches a height of 15 meters and bears showy pink and cream colored flowers. The mature tree has a rounded habit and is used as an ornamental. This tree is also called the lace flower tree, paintbrush tree, tassel tree, and tulip siris.
Archidendropsis thozetiana (Brown Siris) (F.Muell.) I.C.Nielsen 1983
plant species in the fabaceae family
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Archidendropsis fulgens (Labill.) I.C.Nielsen 1983
plant species in the fabaceae family
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Archidendron microcarpum (Kabau) (Benth.) I.C.Nielsen 1979
plant species in the fabaceae family
Archidendron microcarpum, kabau in Indonesia, is a flowering plant in the family Fabaceae. It is native to Sumatra, Borneo and Peninsular Malaysia. It is a shade tree for shade-grown coffee in Indonesia.
Albizia attopeuensis (Pierre) I.C.Nielsen 1979
plant species in the fabaceae family
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Archidendropsis spicata (Verdc.) I.C.Nielsen 1983
endangered plant species in the fabaceae family
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Archidendropsis sepikensis (Verdc.) I.C.Nielsen 1983
plant species in the fabaceae family
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Archidendropsis granulosa (Labill.) I.C.Nielsen 1983
plant species in the fabaceae family
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Archidendropsis basaltica (Dead-finish) (F.Muell.) I.C.Nielsen 1983
plant species in the fabaceae family
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Archidendron utile (Chun & F.C.How) I.C.Nielsen 1979
plant species in the fabaceae family
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Archidendron pahangense (Kosterm.) I.C.Nielsen 1979
plant species in the fabaceae family
Archidendron pahangense is a species of legume in the family Fabaceae. It is a tree endemic to Peninsular Malaysia. It is threatened by habitat loss.
Archidendron lovelliae (Bacon Wood) (F.M.Bailey) I.C.Nielsen 1982
plant species in the fabaceae family
Archidendron lovelliae, the bacon wood or tulip siris, is a small tree with a very restricted range in eastern Australia. The bacon wood stands about 5 meters tall and has a rounded habit. Flowers are red, and the black seeds are contained in orange pods. Leaves are bipinnate.
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