CITESwoodID: descriptions, illustrations, identification and information retrieval
Nomenclature. Family: CUPRESSACEAE sensu latu ( formerly: TAXODIACEAE). Further trade and local names: Sequoia (GB); California redwood, vavona (US); Redwood (DE). Code according to DIN EN 13556: SESM. Internal code: RED.
CITES(EU) status of protection. Not protected.
Geographic distribution. North America. West coast of the US (South Oregon, Northwest Califonia).
Growth rings, colour, grain, etc. Growth ring boundaries distinct; transition from earlywood to latewood abrupt. Heartwood basically brown to red; without streaks. Sapwood distinct from heartwood colour (narrow). Sapwood usually white with shades of yellow grey intermingled; heartwood reddish to brown with a purplish tinge, wood darkening uniformly under prolonged exposure. The prominent latewood zones produce a decorative figure on tangential (V-shaped markings) and radial (fine striping) faces. Odour indistinct or absent. Wood light weight and soft, or of medium weight (0,4–0,5 g/cm3). Interlocked grain absent.
Hardwood vs softwood. Vessels (pores) absent (= softwood).
Rays. Rays narrow. Large rays commonly less than 1 mm high.
Resin canals. Normal resin canals absent.
Physical and chemical tests. Heartwood not fluorescent. Water extract not fluorescent; colourless to brown. Heartwood extractives not leachable by water. Ethanol extract not fluorescent; colourless to brown. Froth test weak positive. Splinter burns to partial ash; colour of ash white to grey.
Additional information. Informationsdienst Holz Merkblatt Nr. 10. • red.jpg. Sequoia sempervirens (Redwood). Transverse section ca. 10x. Tangential surface, natural size.
The interactive key allows access to the character list, illustrations, full and partial descriptions, diagnostic descriptions, differences and similarities between taxa, lists of taxa exhibiting specified attributes, summaries of attributes within groups of taxa, and geographical distribution.
Cite this publication as: ‘Richter, H.G., Gembruch, K., and Koch, G. 2014 onwards. CITESwoodID: descriptions, illustrations, identification, and information retrieval. In English, French, German, and Spanish. Version: 16th May 2014. delta-intkey.com’.