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Amborella is a monotypic genus of understory shrubs or small trees endemic to the main island, Grande Terre, of New Caledonia. The genus is the only member of the family Amborellaceae and the order Amborellales and contains a single species, Amborella trichopoda. Amborella is of great interest to plant systematists because molecular phylogenetic analyses consistently place it as the sister group to all other flowering plants.
Geijera is a genus of shrubs and trees in the family Rutaceae and are native to New Guinea, Australia and New Caledonia. They have simple leaves arranged alternately, panicles of bisexual flowers usually with five, sometimes four, sepals, petals and stamens and fruit containing shiny black seeds.
Zieria is a genus of plants in the family, Rutaceae. About sixty species have been formally described, all of which are endemic to Australia except for one species which is found in New Caledonia. They occur in all Australian states except Western Australia but the genus is under review and a number of species are yet to be described or the description published. Zierias are similar to the better known genus Boronia but can be distinguished by the number of stamens in the flowers. The name Zieria honours the Polish botanist John Zier.
Medicosma is a genus of shrubs and trees in the family Rutaceae, all native to New Guinea, Australia or New Caledonia. They usually have simple leaves arranged in opposite pairs, flowers arranged in cymes with four sepals, four petals and eight stamens. The fruit is a follicle fused at the base in groups of up to four, each containing one or two brown or black seeds.
In phylogenetics, basal is the direction of the base of a rooted phylogenetic tree or cladogram. The term may be more strictly applied only to nodes adjacent to the root, or more loosely applied to nodes regarded as being close to the root. Each node in the tree corresponds to a clade; i.e., clade C may be described as basal within a larger clade D if its root is directly linked to the root of D. The terms deep-branching or early-branching are similar in meaning.
Thomas Gordon Hartley was an American botanist.
Boronia koniambiensis is a species of plant in the citrus family Rutaceae and is endemic to New Caledonia. It was first formally described in 1932 by Albert Ulrich Däniker then transferred to the genus Boronella in 1995 by Thomas Gordon Hartley as Boronella koniambiensis. In 2015, all the species in Boronella were transferred to Boronia on the basis of molecular phylogenetic analysis.
Oxanthera is a genus of flowering plants in the citrus family, Rutaceae. They are endemic to New Caledonia. They are known commonly as false oranges.
Acradenia is a genus of two species of tree or shrub in the family Rutaceae and is endemic to Australia. These plants have leaves that are trifoliate, arranged in opposite pairs and flowers that have five sepals, five petals and usually ten stamens of unequal lengths.
Oncotheca is a genus of tree endemic to New Caledonia. There are two species, Oncotheca balansae and Oncotheca humboldtiana.
Beaupreopsis is a genus of plant in family Proteaceae, with just one species in the genus, Beaupreopsis paniculata. It is native to New Caledonia on the south of Grand Terre. Its habitat is from open maquis, to mountain area as low scrub, on a substrate of eroded ultramafic rocks.
Achlydosa glandulosa is a species of orchid endemic to New Caledonia and the only species of the genus Achlydosa. This species has previously been placed in the genus Megastylis. Its closest relative is Pterostylis, the sole other genus of subtribe Pterostylidinae.
Sciapodinae is a subfamily of flies in the family Dolichopodidae.
Comptonella is a plant genus endemic to New Caledonia in the subfamily Rutoideae in the family Rutaceae. Molecular phylogenetic analyses suggest that this genus is nested in Melicope.
Amphorogyne is a genus of hemiparasitic trees and shrubs in the family Santalaceae. The genus is endemic to New Caledonia in the Pacific and contains three species. Its closest relative is Daenikera, also endemic to New Caledonia.
Daenikera corallina is a plant parasite species in the Santalaceae family. It is endemic to New Caledonia and the only species of the genus Daenikera. Its closest relative is Amphorogyne, also endemic to New Caledonia.
Neoschmidia is a genus of shrubs in the family Rutaceae. The genus is endemic to New Caledonia in the Pacific and contains two species.
Periomphale balansae is a species of shrub in the Alseuosmiaceae family. It is endemic to New Caledonia and the only species of the genus Periomphale. It has sometimes been included in the genus Wittsteinia.
Flore de la Nouvelle-Calédonie is an ongoing multi-volume flora describing the vascular plants of New Caledonia in the South-West Pacific. published by the National Museum of Natural History in Paris since 1967. Each species treatment typically includes taxonomic information, morphological description, a line drawing and a distribution map. Originally published as Flore de la Nouvelle-Calédonie et Dépendances, since 2014 it has been renamed shortly Flore de la Nouvelle-Calédonie and is co-published with Institut de Recherche pour le Développement in a fully colored format. Flore de la Nouvelle-Calédonie currently consists of 27 volumes, covering little over 50% of a total of approximately 3,400 species native to the New Caledonian archipelago. Major botanical families awaiting treatment include Rubiaceae, Cyperaceae, Rutaceae, and Poaceae.
Marco Duretto is a manager and senior research scientist at the Royal Botanic Gardens Sydney in Australia.
References
- ↑ Morat, P., T. Jaffré, F. Tronchet, J. Munzinger, Y. Pillon, J. M. Veillon, and M. Chalopin (2012). The taxonomic reference base Florical and characteristics of the native vascular flora of New Caledonia. Adansonia 34 (2): 179–221.
- ↑ Bayly, M. J., G. D. Holmes, P. I. Forster, D. J. Cantrill, and P. Y. Ladiges. (2013) Major Clades of Australasian Rutoideae (Rutaceae) Based on rbcL and atpB Sequences.” PLoS ONE 8 (8): e72493.