Eucalyptus nicholii
Eucalyptus nicholii
Eucalyptus nicholii is a flowering plant within the myrtle family ( Myrtaceae ). It occurs in the north- east of New South Wales, where it is "Small -leaved Peppermint ", "Narrow -leaved Peppermint ", "Narrow -leaved Peppermint black ", " Willow -leaved Peppermint " or " Willow Peppermint " called.
Description
Appearance and leaf
Eucalyptus nicholii grows as a tree reaching heights of growth of up to 18 meters. The bark is left on the trunk and larger branches, the smaller branches or the entire tree is gray to gray - brown and fibrous ( " peppermint "). On the upper parts of the tree it is smooth, gray and peels in short ribbons. The small branches have green bark. In the bark, there are oil glands, but not in the marrow of the young branches.
In Eucalyptus nicholii is available Heterophyllie. In young specimens the many leaves are linear to narrowly lanceolate and dull gray - green. In middle-aged specimens are the many seated, dull gray - green leaves with a length of about 5 cm and a width of about 0.5 cm linear to narrow - lanceolate, straight and entire,. In adult specimens the leaves are divided into petiole and leaf blade. The petiole is 7 to 12 mm long. The on top and bottom of the same color dull gray - green leaf blade is at a length of 6 to 12 cm and a width of 0.5 to 1.0 cm narrow - lanceolate, relatively thin, curved like a sickle, tapering to the Spreitenbasis and has a pointed or ausgerandetes upper end. The barely visible lateral nerves go from average distances at an acute angle from the midrib. The cotyledons ( cotyledons ) are wrong - kidney-shaped.
Inflorescence and flower
Page Constantly on a terete with a length of 5 to 8 mm in cross section inflorescence stem standing together about seven flowers in a simple inflorescence. The 2 to 3 mm long flower stems are terete. The non- blue-green floured or frosted flower buds are ovoid or spindle-shaped with a length of 3 to 5 mm and a diameter of 2 to 3 mm. The sepals form a calyptra, which drops early. The smooth calyptra conical, or twice as long as or shorter than the smooth flower cup ( hypanthium ) and as wide as this. The flowers are white or off- white.
Fruit
The stalked crop is hemispherical or conical and trilocular at a length of 2 to 5 mm and a diameter of 3 to 4 mm. The disc is flat, the fruit of subjects stand out.
Occurrence and risk
The natural range of Eucalyptus nicholii is the northern tablelands of New South Wales, north-east of Tenterfield.
Eucalyptus grows nicholii limited and rare in sparse sclerophyll or grassy woodlands on flat, relatively infertile soils over slate.
Eucalyptus nicholii is in the list of NSW threatened species as "vulnerable " endangered = rated and ROTAP classification is 3V.
Taxonomy
The first description of Eucalyptus nicholii was made in 1929 by Joseph Maiden in A Critical evision of the genus Eucalyptus, Volume 8, 1, pp. 52 synonyms of Eucalyptus nicholii Maiden & Blakely are: . Eucalyptus linearis var acaciiformis H.Daene & Maiden, Eucalyptus acaciaeformis linearis var H.Deane & Maiden orth var.