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Vachellia seyal, the red acacia, known also as the shittah tree (the source of shittim wood), is a thorny, 6– to 10-m-high (20 to 30 ft) tree with a pale greenish or reddish bark. At the base of the 3–10 cm (1.2–3.9 in) feathery leaves, two straight, light grey thorns grow to 7–20 cm (2.8–7.9 in) long.
An Acacia-like 14 cm (5.5 in) long fossil seed pod has been described from the Eocene of the Paris Basin. [29] Acacia-like fossil pods under the name Leguminocarpon are known from late Oligocene deposits at different sites in Hungary. Seed pod fossils of †Acacia parschlugiana and †Acacia cyclosperma are known from Tertiary deposits in ...
It contains ripe wood in the outer crust. The colour of this ripened wood is dark brown. It is strong, durable and fibrous. Palm is used for furniture, roof covering, rafters and joists. Pine: Pinus spp. Pine wood is hard and tough except white pine which is soft. It decays easily if it comes into contact with soil. It is heavy and coarse grained.
NCSU Inside Wood project; Reproduction of The American Woods: exhibited by actual specimens and with copious explanatory text by Romeyn B. Hough; US Forest Products Laboratory, "Characteristics and Availability of Commercially Important Wood" from the Wood Handbook Archived 2021-01-18 at the Wayback Machine PDF 916K; International Wood ...
Approximate wood densities of acacia species; Species Density [kg/m³] Heartwood density [kg/m³] Sapwood density [kg/m³] Acacia acuminata: 1040 [1] Acacia ...
Ironwood is a common name for many woods that have a reputation for hardness, or specifically a wood density that is denser than water (approximately 1000 kg/m 3, or 62 pounds per cubic foot), although usage of the name ironwood in English may or may not indicate a tree that yields such heavy wood.
The wood has a density of about 0.75 g/cm 3. [4] In Taiwan, its wood was used to make support beams for underground mines. [citation needed] Acacia confusa is challenging to work and for this reason was traditionally burned as firewood or turned into charcoal in Taiwan. In later years it was exported to China to be made into wood flooring for ...
Acacia implexa is a long-lived [5] small to medium-sized tree with an upright habit and an open crown [3] that typically grows to a height of 5 to 15 m (16 to 49 ft) [1] and a width of 4 to 10 m (13 to 33 ft). [4] The tree can have a single or multiple stems with rough greyish bark.