Eucalyptus cornuta

Eucalyptus cornuta, fruits

Eucalyptus cornuta is a species of plant in the myrtle family ( Myrtaceae ). It occurs in the southeast of South Australia and in the south and south-west of Western Australia where it is known " Yate ".

Description

Appearance and leaf

Eucalyptus cornuta grows as a tree or grows in the habit of Mallee Eucalyptus, this is a habit that is more shrub-like than tree-like, there are usually multiple strains available that form a Lignotuber, achieved the stature heights of 2 to 25 meters. The bark is rough and fibrous - piece with white spots or streaked, red-brown, gray or black. Oil glands are in the marrow of the young branches, but not into the bark.

In Eucalyptus cornuta is available Heterophyllie. The leaves are always divided into petiole and leaf blade. The petioles are narrowly flattened or channel-shaped. At middle-aged specimens, the leaf blade is elliptic to ovate, straight, entire, dull and gray-green. The on top and bottom of the same color glossy green leaves on adult specimens are lanceolate or broadly lanceolate, straight, relatively thick, taper towards the Spreitenbasis and have a blunt upper end. The raised lateral nerves go off at an acute angle from the midrib. The cotyledons ( cotyledons ) are in two parts.

Inflorescence and flower

Constantly page to a broad cross-section flattened inflorescence stem together are more than eleven flowers in a simple inflorescence. The flower buds are beaked and not blue green flour dusted or frosted. The sepals form a calyptra, which drops early. The smooth calyptra is oblong - pointed or beaked, three times as long as the smooth flower cup ( hypanthium ) and as wide as this. The flowers are white, cream or yellow-green. The flowering period extends into Western Australia from January to May or July to November.

Fruit

The fruit is cylindrical, hemispherical or bell-shaped. The disc is flat or raised, the fruit of subjects stand out.

Occurrence

The natural range of Eucalyptus cornuta is located in the south-west and Western Australia and the south-east of South Australia, Adelaide. In Western Australia Eucalyptus cornuta occurs within the autonomous districts Augusta- Margaret River, Busselton, Cranbrook, Denmark, Esperance, Gnowangerup, Jerramungup, Manjimup, Nannup and Plantagenet in the regions Goldfields - Esperance, Great Southern and South West.

Eucalyptus cornuta grows on sandy and clay soils. Eucalyptus cornuta is found on granite outcrops in humid valleys and moist in winter levels.

System

The first description of Eucalyptus cornuta was made in 1800 by Jacques Julien de Houtou Labillardiere in Relation du Voyage à la Recherche de la Pérouse, Volume 1, page 402, Table 17 A synonym for Eucalyptus cornuta Labill. Eucalyptus is macrocera Turcz ..

Natural hybrids of Eucalyptus Eucalyptus cornuta with lehmannii subsp. lehmannii, Eucalyptus lehmannii subsp. parallela, Eucalyptus angulosa were found.