Cephalotaxus latifolia

Cephalotaxus latifolia is a species of the family head Yews ( Cephalotaxaceae ). It is native to China.

Description

Cephalotaxus latifolia grows as evergreen shrub or small tree that can reach heights of growth of up to 5 meters. The Stammborke is greyish brown. The branches are strong. The flat branches are 5.5 to 9 inches long and 4 to 5 inches thick.

The thick and leathery, more or less straight needles are linearly shaped with a length from 1.6 to 3 centimeters and a width from 2.8 to 6 millimeters. You have no stalk and go at an angle of 60 to 85 ° from the branches off. The slightly asymmetrical base of the needles is wedge- shaped, while the tip is mucronate. The needle edges are flat. The needle top is dark olive-green and can be found eleven to 15 white Stomatabänder on the needles.

The heyday of Cephalotaxus latifolia is in May. The male cones are at a 1.5 to 2.5 mm long stem and consist of approximately nine cone scales. The female cones have a 2 to 4 millimeters long, scaly stem and stand together in groups of two to six. They are surrounded by a seed coat ( aril ). The inverted egg-shaped seeds are 1,8 to 2 inches long and have a stachelspitzige tip.

Distribution and location

The natural range of Cephalotaxus latifolia is located in China. It includes there Chongqing, northwestern Fujian, northern Guangdong, the northeastern Guangxi, southeastern Guizhou, southwestern Hubei, Hunan, Jiangxi and western southeastern Sichuan.

Cephalotaxus latifolia grows at altitudes 900-2400 m. The species occurs in mountains where it grows mainly in thickets.

Cephalotaxus latifolia is classified as "low risk" in the IUCN Red List. The main risk the destruction of forests is called. In the past, possibly also parts of plants for medicinal purposes were collected.

System

The first description as Cephalotaxus sinensis var latifolia in 1975 by Cheng Wan -Chun Li and Fu - Kuo in Acta Phytotaxonomica Sinica, Volume 13 (4 ), page 86 Fu Li -kuo lifted the variety as Cephalotaxus latifolia in 1984 in Acta Phytotaxonomica Sinica, Volume 22 (4 ), pp. 280-281 apply to the rank of an independent Art Both the first description and the later species description published today as invalid because two different types, one female, one male plant, have been described. The valid description as Cephalotaxus latifolia was published in 1999 by Cheng Wan -Chun Li and Fu - Kuo in Novon, Volume 9 (2 ), pp. 185-186. A synonym for Cephalotaxus latifolia W. C. Cheng & L.K. Fu is harringtonii Cephalotaxus latifolia (WC Cheng & LK Fu ) Silba.

Swell

• Christopher J. Earle: Cephalotaxus latifolia. In: The Gymnosperm Database. www.conifers.org, November 23, 2012, accessed on 19 December 2013 ( English).
• Liguo Fu, Nan Li, Thomas S. Elias & Robert R. Mill: Pinaceae. Picea. 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 in 1999, ISBN 0-915279-70-3, Cephalotaxus latifolia, S. 86 ( this printed work is the same text online, Cephalotaxus latifolia - Online).