Eucalyptus conglomerata
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Eucalyptus conglomerata |
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| Maiden & Blakely |
Eucalyptus conglomerata is a species ofthe myrtle family (Myrtaceae). It occurs only in Australia on the coast of southeast Queensland , between Brisbane and Maryborough , and is called "Swamp Stringybark" there.
description
Appearance and leaf
Eucalyptus conglomerata grows as a tree or grows in the form of the mallee - eucalyptus , this is a growth form that is more shrub -like than tree-shaped , there are usually several trunks that form a lignotuber ; heights of up to 12 meters can be reached. The bark remains on the entire tree, is gray to red-brown or gray-brown and fibrous. On branches up to 2 centimeters in diameter, the bark is smooth and white. There are oil glands both in the marrow and in the bark.
In Eucalyptus conglomerata , heterophyllia is present. On middle-aged specimens, the stalked leaves are broadly lanceolate to ovate, straight, with entire margins and shiny green. The dull green leaves of the same color on the top and bottom of adult specimens are 1.3 to 3.0 centimeters wide and lanceolate or broadly lanceolate, relatively thick, straight, crooked and have a pointed or blunt upper end. The side nerves, which are barely recognizable, extend from the median nerve at an acute or very acute angle. The cotyledons ( cotyledons ) are kidney-shaped.
Inflorescence and flower
On an inflorescence stem with a width of up to 3 millimeters in cross section, narrowly flattened or angular, there are more than 11, 13 to 20 flowers in a single inflorescence . The flower buds which are not stalked, floured blue-green or frosted are cylindrical, spindle-shaped or ovoid with a length of 5 to 8 millimeters. The sepals form a calyptra that remains in place until flowering ( anthesis ). The smooth calyptra is conical, twice as long as the smooth flower cup (hypanthium) and as wide as this. The flowers are white or creamy white.
fruit
The fruit is spherical with a length of 3.5 to 6.0 millimeters, egg-shaped or cup-shaped and trilocular. The disc is indented and the fruit compartments are included.
Occurrence and endangerment
The natural range of Eucalyptus conglomerata is the east coast of Queensland at Gympie , between Brisbane and Maryborough.
Eucalyptus conglomerata grows in light forest or heathland on deep, sandy, acidic soils that are poorly drained and seasonally wet.
Eucalyptus conglomerata has been classified as "endangered" by the Australian government since 1992. Only about 1100 specimens (as of 1995) are known at 10 locations and 22 populations between Kin Kin and Beerwah in southern Queensland, of which about a third is on private property. There, in particular, the species is threatened with extinction due to deforestation to gain agriculturally usable areas. The expansion of existing settlements and the construction of roads also threaten the population.
Taxonomy
The first description of Eucalyptus conglomerata was in 1929 by Joseph Maiden and William Blakely in A Critical Revision of the Genus Eucalyptus , Volume 8, 1, p. 5, plate 288 (6-8). The type material is labeled " Sandy country on edge of peat swamps, Beerwah, Southern Queensland (WD Francis and CT White, No. 24 September, 1919. The type. "
Individual evidence
- ↑ a b Specimen search results: Eucalyptus conglomerata at Australia's Virtual Herbarium. Council of Heads of Australasian Herbaria . Retrieved February 22, 2013
- ↑ a b c APNI = Australian Plant Name Index . Center for Plant Biodiversity Research. Australian Government. Retrieved February 22, 2013
- ↑ a b c d e f g h Approved Conservation Advice from Eucalyptus conglomerata for Threatened Species. Biodiversity. Department of Environment and Climate Change. Australian Government. (PDF; 51 kB) Last accessed on May 22, 2013
- ↑ a b c d e f g h Eucalyptus conglomerata at EucaLink - A Web Guide to the Eucalypts . Last accessed on May 22, 2013
- ↑ Eucalyptus conglomerata at Tropicos.org. Missouri Botanical Garden, St. Louis, accessed February 22, 2013.
- ↑ Rafaël Govaerts (ed.): Eucalyptus conglomerata. In: World Checklist of Selected Plant Families (WCSP) - The Board of Trustees of the Royal Botanic Gardens, Kew . Retrieved February 22, 2013.
