Creeping juniper

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Creeping juniper
Juniperus procumbens nana MN 2007.JPG

Creeping Juniper ( Juniperus procumbens )

Systematics
Order : Conifers (Coniferales)
Family : Cypress family (Cupressaceae)
Subfamily : Cupressoideae
Genre : Juniper ( Juniperus )
Section : Sabina
Type : Creeping juniper
Scientific name
Juniperus procumbens
( Siebold ex Endl. ) Miq.

The Creeping juniper ( Juniperus procumbens ) is a plant from the family of the cypress family (Cupressaceae). It is native to the islands of southern Japan .

description

The creeping juniper grows as an evergreen , prostrate shrub that can reach heights of up to 70 centimeters. The creeping, elongated branches are bent upwards at their ends.

The 6 to 8 millimeters long, stiff leaves are needle-shaped and stand together in three whorls . They are slightly curved, have two white stomatal bands on the upper side of the leaf and are furrowed on the lower side. The base of the leaf is sloping and the tip is pointed.

The appearance of the male cones is unknown. The cones are shaped approximately spherical with a diameter 8-9 millimeters. As they mature, they are colored black and have blue-green frosting. Each cone bears two to three seeds. The toothed seeds are about 4 millimeters long.

The number of chromosomes is 2n = 44.

Occurrence

The natural range of the creeping juniper lies in Japan on Kyushu and the Bonin Islands . It occurs wild in the Chinese provinces of Anhui , Fujian , Jiangsu , Jiangxi , Liaoning , Shandong , Yunnan and Zhejiang .

use

The creeping juniper as a bonsai

The creeping juniper is used as an ornamental shrub .

Systematics

It was first described as Juniperus chinensis var. Procumbens in 1847 by Philipp Franz von Siebold in Synopsis Coniferarum. P. 21. In 1870 the Siebold variety was raised to the rank of an independent species in Flora Japonica 2. p. 59 as Juniperus procumbens . Synonyms for Juniperus procumbens (Siebold ex Endl.) Miq. are Sabina procumbens (Siebold ex Endl.) Iwata & Kusaka and Sabina chinensis var. procumbens (Siebold ex Endl.) Antoine .

Danger

The creeping juniper is classified as “not endangered” in the IUCN Red List . However, it is pointed out that a new check of the hazard is necessary.

swell

  • Christopher J. Earle: Juniperus procumbens. In: The Gymnosperm Database. www.conifers.org, November 23, 2012, accessed December 22, 2012 .
  • Liguo Fu, Yong-fu Yu, Robert P. Adams, Aljos Farjon: Cupressaceae . Juniperus. In: Wu Zhengyi, Peter H. Raven, Hong Deyuan (eds.): Flora of China . Cycadaceae through Fagaceae. Volume 4. Science Press and Missouri Botanical Garden Press, Beijing and St. Louis 1999, ISBN 0-915279-70-3 , Juniperus procumbens , pp. 71 (English, Juniperus procumbens - online ).

Individual evidence

  1. ↑ a b c d Christopher J. Earle: Juniperus procumbens. In: The Gymnosperm Database. www.conifers.org, November 23, 2012, accessed December 22, 2012 .
  2. ↑ a b c d Liguo Fu, Yong-fu Yu, Robert P. Adams, Aljos Farjon: Cupressaceae . Juniperus. In: Wu Zhengyi, Peter H. Raven, Hong Deyuan (eds.): Flora of China . Cycadaceae through Fagaceae. Volume 4. Science Press and Missouri Botanical Garden Press, Beijing and St. Louis 1999, ISBN 0-915279-70-3 , Juniperus procumbens , pp. 71 (English, Juniperus procumbens - online ).
  3. ^ Tropicos. [1]
  4. ↑ a b Juniperus procumbens in the endangered Red List species the IUCN 2012. Posted by: Conifer Specialist Group, 1998. Accessed December 22, 2012th
  5. ↑ Juniperus procumbens at Tropicos.org. Missouri Botanical Garden, St. Louis, accessed December 22, 2012.

Web links

Commons : Creeping Juniper  - Collection of images, videos and audio files