Eucalyptus ebbanoensis
Eucalyptus ebbanoensis is a flowering plant within the myrtle family ( Myrtaceae ). It occurs in the southern part of central Western Australia and in the central portion of the west coast, where it is called "Sand Plain Mallee ".
Description
Appearance and leaf
Eucalyptus ebbanoensis grows in the habit of mallee eucalypts, this is a habit that is more shrub-like than tree-like, there are usually multiple strains available that form a Lignotuber; he reaches stature heights of up to 2-10 meters. The bark is smooth on the whole tree, gray, gray - brown or brown and peels off in short ribbons or small, polygonal patches. Both the bark and in the marrow of the young branches, there are oil glands.
In Eucalyptus ebbanoensis is available Heterophyllie. At middle-aged specimens the leaves are sessile, elliptic, straight, entire, dull and gray-green. The on upper and lower sides of the same color matt green, sometimes against permanent leaves of adult specimens are narrowly lanceolate, relatively thin, curved like a sickle and taper towards the Spreitenbasis. The barely visible lateral nerves go from an acute or very acute angle from the midrib. The cotyledons ( cotyledons ) are kidney-shaped.
Inflorescence and flower
Page Constantly on a terete in cross section inflorescence stem are about dreiblütige part inflorescences in total composite inflorescences. The flower buds are pear-shaped and not blue green flour dusted or frosted. 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 off- white. The stamens are in four bundles. The heyday of Western Australia extends from September to December or January to March.
Fruit
The fruit is stalked hemispherical. The discus is raised, the fruit of subjects stand out.
Occurrence
The natural range of Eucalyptus ebbanoensis is the middle section of the west coast of Western Australia to Geraldton, and the southern part of central Western Australia, west of Kalgoorlie - Boulder. Eucalyptus ebbanoensis comes to independent administrative districts Chapman Valley, Menzies and Yilgarn regions in the Goldfields - Esperance, Mid West and Wheatbelt before.
Eucalyptus ebbanoensis grows on yellow or red sandy soil, sandy clay, clay and laterite. Eucalyptus ebbanoensis can be found at outcrops on sandy plains or on granite hills.
System
The first description of Eucalyptus ebbanoensis took place in 1921 by Joseph Maiden in A Critical Revision of the Genus Eucalyptus, Volume 5 (6 ), pp. 169 The type material has the label "Type from Sand Plain, Ebbano, east of Mingenew, Western Australia ( Dr. A. Morrison, 28th September, 1904) "on. The specific epithet ebbanoensis points to the locality, Ebbano southeast of Geraldton, the type of material.
From Eucalyptus ebbanoensis there are two or three sub-species:
- Eucalyptus ebbanoensis Maiden subsp. ebbanoensis
- Eucalyptus ebbanoensis subsp. glauciramula L.A.S. Johnson & K.D. Hill
- Eucalyptus ebbanoensis subsp. PhotinaTM Brooker & Hopper