Eucalyptus melanoleuca
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Eucalyptus melanoleuca is a species ofthe myrtle family (Myrtaceae). It occurs in the southeast of Queensland and is called "Yarraman Ironbark" there.
description
Appearance and leaf
Eucalyptus melanoleuca grows as a tree . The bark remains on the trunk and the larger branches, sometimes on the smaller branches, and is gray or gray-black. There are oil glands both in the marrow and in the bark.
In Eucalyptus melanoleuca is Heterophyllie ago. The leaves are always divided into a petiole and a leaf blade. The petiole is narrowly flattened or channel-shaped. On middle-aged specimens, the leaf blade is lanceolate to ovate, straight, with entire margins and dull gray-green. The dull green leaf blades on adult specimens are lanceolate, relatively thin, curved sickle-shaped, taper towards the base of the blade and have a pointed upper end. The top and bottom sides can be the same or different colors. The side nerves, which are barely recognizable, extend from the median nerve at an acute angle. The cotyledons ( cotyledons ) are upside-kidney-shaped.
Inflorescence and flower
At the end of an inflorescence shaft that is round in cross-section, there are approximately three or seven-flowered partial inflorescences in compound total inflorescences . The flower buds are egg-shaped and not floured or frosted blue-green. The sepals form a calyptra that falls off early. The smooth calyptra is conical, as long as the ribbed flower cup (hypanthium) and narrower than this. The flowers are white or creamy white.
fruit
The fruit is egg-shaped. The disc is indented or flat, the fruit compartments are included.
Occurrence
The natural range of Eucalyptus melanoleuca is the Great Dividing Range in the southeast of Queensland , from the hinterland of the Gold Coast to about Rockhampton .
Taxonomy
The first description of Eucalyptus melanoleuca was made in 1977 by Thatcher Blake Stanley , entitled Four new species of Eucalyptus in Austrobaileya , Volume 1 (1), p 6. The type material has the inscription " 6-7 miles north of Yarraman, in July 1952, Blake 18975 (BRI, holo; CANB, NSW. FRI, K, iso) “.
Individual evidence
- ↑ a b Specimen search results: Eucalyptus melanoleuca at Australia's Virtual Herbarium. Council of Heads of Australasian Herbaria . Retrieved February 27, 2013
- ↑ a b c APNI = Australian Plant Name Index . Center for Plant Biodiversity Research. Australian Government. Retrieved February 27, 2013
- ↑ a b c d Eucalyptus melanoleuca at EucaLink - A Web Guide to the Eucalypts . Retrieved February 27, 2013.
- ↑ Eucalyptus melanoleuca at Tropicos.org. Missouri Botanical Garden, St. Louis, accessed February 27, 2013.
- ↑ Rafaël Govaerts (Ed.): Eucalyptus melanoleuca. In: World Checklist of Selected Plant Families (WCSP) - The Board of Trustees of the Royal Botanic Gardens, Kew . Retrieved February 27, 2013.