Callitris rhomboidea
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Callitris rhomboidea |
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| R.Br. ex Rich. & A.Rich. |
Callitris rhomboidea is a plant from the family of the cypress family (Cupressaceae). It is native to southeastern Australia.
description
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Callitris rhomboidea grows as an evergreen tree that can reach heights of growth of 9 to 15 meters and a diameter of 29 to 44 centimeters at chest height . The narrow and dense branches go straight or upright from the trunk. The bark does not crack.
The leaves , which lie close to the branches, are light to blue-green, 2 to 3 millimeters long and their back is conspicuously keeled.
The male cones stand individually or in groups on the branches and are egg-shaped with a length of up to 2 millimeters. The egg-shaped to flattened-spherical female cones usually stand together in groups, are gray-brown in color at maturity and are 0.8 to 2 centimeters thick. Each cone consists of six thick, rhombus-shaped cone scales and carries numerous seeds. After ripening, they remain on the branches for a few years before they release the seeds and fall off. The dark brown seeds are rounded at a diameter of about 1 millimeter and have two or three wings.
The number of chromosomes is 2n = 22.
Occurrence
The natural range of Callitris rhomboidea includes the Australian states of Queensland , New South Wales , Victoria , South Australia and eastern Tasmania . It stretches from the Blackdown Tablelands in Queensland across the plateaus of eastern New South Wales to the Howe Range and East Gippsland in Victoria. There are also deposits in Victoria around Melbourne , in the Little Deser and in the Grampian Range . In Southern Australia, Callitris rhomboidea is found on Kangaroo Island and in the Mount Lofty Range . Overgrown deposits exist near Auckland in New Zealand .
Callitris rhomboidea is found in forests that grow along coasts and on plateaus.
Callitris rhomboidea is classified in the IUCN 1998 Red List as “least concern” = “not endangered”. It is pointed out, however, that a new review of the hazard is necessary.
use
Callitris rhomboidea is used as an ornamental wood. The wood is used locally for building houses and for making masts. However, the species is not common enough to be of economic importance. The species produces an Australian sandarak .
Systematics
It was first described as Callitris rhomboidea in 1826 by Robert Brown in Commentatio botanica de Conifereis et Cycadeis , Volume 47. A synonym for Callitris rhomboidea R.Br. ex Rich. & A.Rich. is Frenela rhomboidea (R.Br. ex Rich. & A.Rich.) Endl. .
swell
- Christopher J. Earle: Callitris rhomboidea. In: The Gymnosperm Database. www.conifers.org, November 25, 2012, accessed on February 16, 2013 .
- Callitris rhomboidea. In: Flora of Australia Online. www.anbg.gov.au, accessed on February 16, 2013 (English).
Individual evidence
- ↑ a b c d e f Christopher J. Earle: Callitris rhomboidea. In: The Gymnosperm Database. www.conifers.org, November 25, 2012, accessed on February 16, 2013 .
- ↑ a b c d Callitris rhomboidea. In: Flora of Australia Online. www.anbg.gov.au, accessed on February 16, 2013 (English).
- ↑ a b Callitris rhomboidea at Tropicos.org. Missouri Botanical Garden, St. Louis, accessed August 8, 2016.
- ↑ Callitris rhomboidea in the endangered Red List species the IUCN 2012. Posted by: Conifer Specialist Group, 1998. Accessed February 16, 2013.
- ↑ Callitris rhomboidea. In: Germplasm Resources Information Network. www.ars-grin.gov, accessed on February 16, 2013 (English).
- ↑ W. Blaschek, R. Hansel, u. a .: Hager's Handbook of Pharmaceutical Practice. Volume 2: Drugs A – K , 5th edition, Springer, 1998, ISBN 978-3-642-63794-0 (reprint), p. 264.
