Eucalyptus ebbanoensis
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Eucalyptus ebbanoensis |
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| Maiden |
Eucalyptus ebbanoensis is a species ofthe myrtle family (Myrtaceae). It occurs in the southern part of the center of Western Australias and in the middle section of the west coast and is called "Sandplain Mallee" there.
description
Appearance and leaf
Eucalyptus ebbanoensis grows in the form of the mallee - eucalyptus , this is a growth form that is more shrub -shaped than tree-shaped , there are usually several trunks that form a lignotuber ; it reaches heights of growth of up to 2 to 10 meters. The bark is smooth, gray, gray-brown or brown all over the tree and peels in short bands or small, polygonal patches. There are oil glands in both the bark and the marrow of the young branches.
In Eucalyptus ebbanoensis , heterophyllia is present. On medium-old specimens, the leaves are sessile, elliptical, straight, with entire margins and matt gray-green. The leaves on adult specimens are dull green, sometimes opposite, of the same color on the upper and lower sides, are narrowly lanceolate, relatively thin, curved in a sickle shape and taper towards the base of the blades. 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 the side of an inflorescence stem with a round pedicel in cross-section, there are approximately three-flowered partial inflorescences in compound total inflorescences . The flower buds are pear-shaped and not floured or frosted blue-green. The sepals are reduced to four calyx teeth on the flower cup (hypanthium). The smooth calyptra is hemispherical, as long and as wide as the smooth flower cup (hypanthium). The flowers are white or creamy white. The stamens are in four bundles. The flowering period in Western Australia ranges from September to December or January to March.
fruit
The stalked fruit is hemispherical. The disc is raised, the fruit fans stick out.
Occurrence
The natural range of Eucalyptus ebbanoensis is the middle section of the west coast of Western Australia , around Geraldton , and the southern part of central Western Australia, west of Kalgoorlie-Boulder . Eucalyptus ebbanoensis occurs in the independent administrative districts of Chapman Valley , Menzies and Yilgarn in the regions Goldfields-Esperance , Mid West and Wheatbelt .
Eucalyptus ebbanoensis grows on yellow or red sand soils , sandy clay , loam and laterite . Eucalyptus ebbanoensis can be found on outcrops , on sand plains or on granite hills .
Systematics
The first description of eucalyptus ebbanoensis was made in 1921 by Joseph Maiden in A Critical revision of the genus Eucalyptus , Volume 5 (6), p 169. The type material , the "label type from Sand Plain, Ebbano, east of Mingenew, Western Australia (Dr. A. Morrison, September 28th, 1904) ”. The specific epithet ebbanoensis indicates the place where the type material was found, Ebbano southeast of Geraldton.
Of eucalyptus ebbanoensis there are two to three subspecies:
- Eucalyptus ebbanoensis Maiden subsp. ebbanoensis
- Eucalyptus ebbanoensis subsp. glauciramula LAS Johnsons & KD Hill
- Eucalyptus ebbanoensis subsp. photina Brooker & Hopper
Individual evidence
- ↑ a b Specimen search results: Eucalyptus ebbanoensis at Australia's Virtual Herbarium. Council of Heads of Australasian Herbaria . Retrieved March 18, 2013
- ↑ a b c d APNI = Australian Plant Name Index . Center for Plant Biodiversity Research. Australian Government. Retrieved March 18, 2013
- ↑ a b c d e f g Eucalyptus ebbanoensis at EucaLink - A Web Guide to the Eucalypts . Retrieved March 18, 2013.
- ↑ a b c d e Eucalyptus ebbanoensis in the Western Australian Flora . Retrieved March 18, 2013.
- ↑ Eucalyptus ebbanoenses at Tropicos.org. Missouri Botanical Garden, St. Louis, accessed March 18, 2013.
- ↑ a b Rafaël Govaerts (Ed.): Eucalyptus ebbanoensis. In: World Checklist of Selected Plant Families (WCSP) - The Board of Trustees of the Royal Botanic Gardens, Kew . Retrieved March 18, 2013.
