Actinostrobus acuminatus
| Actinostrobus acuminatus | ||||||||||||
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| Scientific name | ||||||||||||
| Actinostrobus acuminatus | ||||||||||||
| Parl. |
Callitris acuminata is a plant from the family of the cypress family (Cupressaceae). It isnative tothe southwestern part of Western Australia .
description
Actinostrobus acuminatus grows as an evergreen , broadly conical shrub that can reach heights of up to 3 meters. Subterranean runners are formed.
Two different leaf shapes are formed. Young leaves are light silver-green, needle-like and are between 0.8 and 1.5 centimeters long. Older leaves are dark green, scale-like, up to 1 centimeter long and are arranged in three whorls on the branches. Seedlings have two light green, tapering cotyledons ( cotyledons ) which are 15 to 18 millimeters long and 3 to 3.5 millimeters wide.
The male cones stand on a stalk about 4 millimeters long and are egg-shaped with a length of 4 to 6 millimeters and a thickness of 2 to 3 millimeters. They consist of 20 pointed cone scales. The female cones are conical-egg-shaped with a length of 2.0 to 3.5 centimeters and a thickness of 1.5 to 2.5 centimeters. When ripe they are yellow-brown to bluish-green brown in color. At their base there are often up to 1 millimeter long, needle-shaped leaves. Each cone consists of six tapering cone scales which bend back to maturity and open the cone to release the seeds. The dark brown seeds are 0.9 to 1.2 centimeters long and 0.9 to 1.3 centimeters wide and have a 2 to 5 millimeter large wing.
Distribution and location
The natural range of Actinostrobus acuminatus is in Western Australia . It extends there from Eneabba in the north to Perth in the south.
Actinostrobus acuminatus grows mainly in low-lying scrubland and on sandy plains.
use
In the case of Actinostrobus acuminatus it has been proven that the species is suitable for the treatment of rheumatism .
Systematics
It was first described as Actinostrobus acuminatus in 1862 by Filippo Parlatore in Index Seminum (Florence) , page 25. A synonym for Actinostrobus acuminatus Parl. Is Callitris acuminata (Parl.) F. Muell.
Hazard and protection
Actinostrobus acuminatus is classified as "low risk" in the IUCN Red List . It is pointed out, however, that a new review of the hazard is necessary.
swell
- Christopher J. Earle: Actinostrobus acuminatus. In: The Gymnosperm Database. www.conifers.org, November 23, 2012, accessed January 4, 2013 .
Individual evidence
- ↑ a b c d e f Christopher J. Earle: Actinostrobus acuminatus. In: The Gymnosperm Database. www.conifers.org, November 23, 2012, accessed January 4, 2013 .
- ^ Actinostrobus acuminatus at Tropicos.org. Missouri Botanical Garden, St. Louis, accessed January 4, 2013.
- ↑ Actinostrobus acuminatus in the endangered Red List species the IUCN 2012. Posted by: Conifer Specialist Group, 1998. Accessed January 4, 2013.