Eucalyptus tintinnans
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Eucalyptus tintinnans |
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| ( Blakely & Jacobs ) LASJohnson & KDHill |
Eucalyptus tintinnans is a species ofthe myrtle family (Myrtaceae). It occurs in the north-west and north-east of the Australian Northern Territory and is called "Ringing Gum" or "Hills Salmon Gum" there.
description
Appearance and leaf
Eucalyptus tintinnans grows as a tree that can reach heights of up to 8 meters. The bark is smooth and white, gray-brown or brown all over the tree. There are oil glands in both the bark and the marrow .
In Eucalyptus tintinnans 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 green. The leaves of the same color on the upper and lower sides of the adult specimens are matt green, lanceolate, almost circular, circular or rhombic, straight, relatively thin, rounded at the base of the blades and have a round or notched upper end. The raised lateral nerves extend from the median nerve at an obtuse angle. The cotyledons ( cotyledons ) are reversed kidney-shaped.
Inflorescence and flower
On the side of a stalk-round, square, narrowly flattened or angular inflorescence stem with a diameter of up to 3 mm in cross-section, there are approximately three to 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 hemispherical, three times as long as the smooth flower cup (hypanthium) and as wide as this. The flowers are white or creamy white.
fruit
The fruit is hemispherical or spindle-shaped. The disc can be pressed in, flat or raised, the fruit compartments stick out.
Occurrence
The natural range of Eucalyptus tintinnans is in the northwest and northeast of the Northern Territory , mainly south of Darwin .
Taxonomy
It was first described in 1924 by William Blakely as a variety of the species Eucalyptus platyphylla under the name ( Basionym ) Eucalyptus platyphylla var. Tintinnans Blakely & Jacobs in A Key to the Eucalypts , p. 138. The type material has the inscription “Small tree, mallee-like habit, up to 25 feet high. (...) Chiefly on hills. Wandi. " on. Lawrence Alexander Sidney Johnson and Kenneth D. Hill gave her the rank of a kind Eucalyptus tintinnans (Blakely & Jacobs) LASJohnson & KDHill in the section Eucalyptus in the Flora of Australia , Volume 19, p. 509 in 1988. The specific epithet tintinnans is from the Latin word tintinnare derived for ringing.
Individual evidence
- ↑ a b Specimen search results: Eucalyptus tintinnans at Australia's Virtual Herbarium. Council of Heads of Australasian Herbaria . Retrieved March 6, 2013
- ↑ a b c d APNI = Australian Plant Name Index . Center for Plant Biodiversity Research. Australian Government. Retrieved March 6, 2013
- ↑ a b c d e Eucalyptus tintinnans at EucaLink - A Web Guide to the Eucalypts . Retrieved March 6, 2013.
- ↑ In the description of the type material Blakely gives the stature height as 25 feet.
- ↑ Eucalyptus tintinnans at Tropicos.org. Missouri Botanical Garden, St. Louis, accessed March 6, 2013.
- ↑ Rafaël Govaerts (ed.): Eucalyptus tintinnans. In: World Checklist of Selected Plant Families (WCSP) - The Board of Trustees of the Royal Botanic Gardens, Kew . Retrieved March 6, 2013.
