Picea morrisonicola
Taiwan spruce (Picea morrisonicola )
The Taiwan spruce (Picea morrisonicola ) is a species of the family (Pinaceae ). It is native to the island of Taiwan.
Description
The Taiwan spruce grows as evergreen tree that can reach heights of growth of up to 50 meters and diameter at breast height of up to 1.5 meters. The dense branches go straight from the trunk. The gray to grayish - red-brown, scaly Stammborke is about 0.5 inches thick, furrowed and peels off in irregular scales. The inner fibrous bark is colored 1 to 1.5 inches thick and reddish- brown. The hairless Two Grinde is first brown to yellowish- brown and discolored grayish - brown to in the second year. The sapwood of freshly felled trees has Eien bright, yellowish - white in color.
The winter buds are ovate, rarely ovate - conical shaped. The dense, straight or slightly curved needle is at a length of 0.8 to 1.5 inches and a width of 0.1 to 0.3 centimeters linear shaped and have a wide - diamond-shaped cross-section. Your tip is pointed. On the needle top five are on and the needle bottom two or three Stomatalinien.
The Taiwan spruce is monoecious - getrenntgeschlechtig ( monoecious ) and the flowering period is in April. The pins are oblong-shaped with a length 5-7 cm and a thickness of 2.5 to 3 centimeters long, cylindrical. They are initially colored red to purple -green and change color to maturity in October towards brown, rarely slightly purple. The seed scales are obovate and are about 1.5 inches long and 1.2 inches wide. Your base runs broadly wedge -shaped at or slightly rounded. The nearly inverted egg-shaped seeds are about 3 to 4 millimeters long and have an oblong to ovate - wrong, yellowish to orange- brown wings, which is 6-7 millimeters long.
Distribution and location
The natural, rugged habitat of Taiwan spruce located on the island of Taiwan. It includes where the mountains in the center of the island.
The Taiwan spruce grows at altitudes 2500-3000 meters. The species grows mainly in ravines and on hillsides in pure or mixed stands, including with the Chinese hemlock ( Tsuga chinensis).
Picea morrisonicola is classified in the IUCN Red List as "vulnerable". It is noted, however, that a re-examination of risk is necessary. The main hazard due to the overuse of the kind called for timber.
Use
The Taiwan spruce is one of the main timber supplier in Taiwan. The wood is used as construction timber, vehicle and for the production of furniture use. Furthermore, it is also used for the production of pulp.
System
Picea morrisonicola is within the genre of spruce (Picea ) the subgenus Picea, Picea section, the subsection Picea and serial Smithianai assigned.
The first description was in 1908 by as Picea morrisonicola Hayata Bunzo in the Journal of the College of Science, Imperial University of Tokyo, Volume 25 (19 ), page 220
Swell
- Christopher J. Earle: Picea morrisonicola. In: The Gymnosperm Database. www.conifers.org, November 23, 2012, accessed on 25 May 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, Picea morrisonicola, p.29 ( this printed work is the same text online, Picea morrisonicola - Online).