Corymbia dallachiana
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Corymbia dallachiana |
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| Corymbia dallachiana | ||||||||||||
| ( Benth. ) KDHill & LASJohnson |
Corymbia dallachiana is a species of the genus Corymbia withinthe myrtle family (Myrtaceae). It occurs in the north, east and center of Queensland and is called "Dallachy's Ghost Gum" there.
description
Appearance and leaf
Corymbia dallachiana grows as a tree that reaches heights of up to 15 meters. The bark is smooth, matt or powdery, white to gray or pink all over the tree and peels in short ribbons or small polygonal patches. There are oil glands in the pith and in the bark.
In corymbia dallachiana is Heterophyllie ago. The leaves are always divided into a petiole and a leaf blade. The leaf blade on young specimens is lanceolate to ovate and has stiff glandular hairs. The petiole on adult specimens are narrowly flattened or channel-shaped. The leaf blade on adult specimens is relatively thin, lanceolate to broadly lanceolate, straight, with a tapering blade base and a pointed or pointed upper end. The upper and lower surface of the leaves is a single color, glossy green to gray-green. The side nerves, which are barely recognizable, branch off from the median nerve at small intervals at an acute or obtuse angle. On each half of the leaf there is a pronounced, continuous, so-called intramarginal nerve; it runs at a small distance along the edge of the leaf. The cotyledons ( cotyledons ) are almost circular.
Inflorescence and flower
On an inflorescence stem that is round in cross section stands a compound inflorescence , which consists of dold-like partial inflorescences , each with about seven to eleven flowers. The pedicel is round in cross section.
The egg or club-shaped flower bud is not floured or frosted blue-green. The sepals form a calyptra that falls off early. The smooth calyptra is kneecap-shaped or hemispherical and as wide as the smooth flower cup (hypanthium). The flowers are white or cream in color.
Fruit and seeds
The stalked fruit is cylindrical or ovate and triple. The disc is dented.
The regular and laterally flattened, kneecap- or egg-shaped seed has a reticulate, matt to silk-matt, red or red-brown seed coat. The hilum is at the top of the seed.
Occurrence
The natural range of Corymbia dallachiana is eastern, northern and central Queensland .
Taxonomy
The first description was in 1867 by George Bentham under the name ( Basionym ) Eucalyptus tesselaris var. Dallachiana Benth. in Flora Australiensis , Volume 3, p. 51. The type material is labeled Queensland, Bowman, Rockhampton, Dallachy. on. The new combination to Corymbia dallachiana (Benth.) KDHill & LASJohnson took place in 1995 under the title Systematic studies in the eucalypts. 7. A revision of the bloodwoods, genus Corymbia (Myrtaceae) in Telopea , Volume 6; Issue 2–3, p. 451. Further synonyms for Corymbia dallachiana (Benth.) KDHill & LASJohnson are Eucalyptus clavigera subsp. dallachiana (Benth.) Maiden , Eucalyptus aparrerinja subsp. dallachiana (Benth.) Brooker & Kleinig and Eucalyptus tessellaris var. dallachiana Benth.
Individual evidence
- ↑ a b Specimen search results: Corymbia dallachiana at Australia's Virtual Herbarium. Council of Heads of Australasian Herbaria . Retrieved February 8, 2013
- ↑ a b c APNI = Australian Plant Name Index . Center for Plant Biodiversity Research. Australian Government. Retrieved February 8, 2013
- ↑ a b c d e f g Corymbia dallachiana at EucaLink - A Web Guide to the Eucalypts . Retrieved February 8, 2013
- ↑ Corymbia dallachiana at Tropicos.org. Missouri Botanical Garden, St. Louis, accessed February 8, 2013.
- ↑ Rafaël Govaerts (Ed.): Corymbia dallachiana. In: World Checklist of Selected Plant Families (WCSP) - The Board of Trustees of the Royal Botanic Gardens, Kew . Retrieved February 8, 2013.
