tanbark oak

tanbark oak
any oak that yields tanbark, esp. an evergreen oak, Lithocarpus densiflora, of the Pacific coast of North America.
[1880-85, Amer.]

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▪ plant
also called  tanoak (Lithocarpus densiflorus) 

      oaklike ornamental evergreen tree with tannin-rich bark. It is a member of the beech family (Fagaceae) and is native to coastal areas of southern Oregon and northern California.

      The tanbark oak is usually about 20 metres (65 feet) tall but occasionally reaches 45 m; it becomes shrubby at high elevations. It has horizontal, spreading limbs that form a dense, symmetrical, rounded crown. The short-pointed, alternate, leathery leaves may be toothed or slightly scalloped, with the margins rolled under. They are pale green above and have a brownish, crusty coat of matted hairs below; the undersides become bluish white as the hairs are shed during the summer.

      The flowers of the tanbark oak resemble those of the chestnut, but the fruit is oaklike in appearance. Most male flowers are borne in long, erect catkins; female flowers are usually in clusters at the base of male catkins. The fruit, a single nut, is held in a scaly, burrlike cup.

      The tanbark oak is cultivated as an ornamental in cooler regions of the temperate zone. Its hard, light-brown, red-tinged wood is used for agricultural implements and furniture. The bark chips are used in tanning leather and as a mulch.

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Universalium. 2010.

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  • tanbark oak — noun evergreen tree of the Pacific coast area having large leathery leaves; yields tanbark • Syn: ↑Lithocarpus densiflorus • Hypernyms: ↑tree • Hyponyms: ↑Japanese oak, ↑Lithocarpus glabra, ↑Lithocarpus glaber …   Useful english dictionary

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  • tanbark — /tan bahrk / 1. the bark of the oak, hemlock, etc., bruised and broken by a mill and used esp. in tanning hides. 2. a surface covered with pieces of tanbark, esp. a circus ring. [1790 1800; TAN1 + BARK2] * * * …   Universalium

  • tanbark — tan•bark [[t]ˈtænˌbɑrk[/t]] n. 1) the bark of the oak, hemlock, etc., bruised and broken by a mill and used esp. in tanning hides 2) cvb a surface covered with pieces of tanbark, esp. a circus ring • Etymology: 1790–1800 …   From formal English to slang

  • tanbark — noun a) The bark of the oak (or other trees) used as a source of tannin b) The spent bark used as a ground covering …   Wiktionary

  • tanbark — n. the bark of oak and other trees, used to obtain tannin …   Useful english dictionary

  • Japanese oak — noun 1. oak with moderately light fine grained wood; Japan • Syn: ↑Quercus mongolica, ↑Quercus grosseserrata • Hypernyms: ↑oak, ↑oak tree • Member Holonyms: ↑Quercus, ↑ …   Useful english dictionary

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