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Quercus subsericea [2] is a tree species in the beech family Fagaceae.There are no known subspecies. [3] [4] It is placed in subgenus Cerris, section Cyclobalanopsis.[5]This oak species is an emergent tropical forest tree, growing up to 52 m. tall and 0.86 m. dbh [6] and has been recorded from Malaysia, Indonesia, Philippines ().
An update to the strategy published by the Forest and Management Bureau of the Philippines showed that as of 2017, the county was still in the early phase of preparing to implement its REDD+ Strategy. [34] Executive Order 23 was signed in February 2011 banning logging throughout the country. [35]
Quercus hartwissiana Steven – Strandzha oak – southeastern Bulgaria, northern Turkey, western Georgia, southwestern Russia; Quercus havardii Rydb. – Havard oak, shinnery oak, shin oak – south central North America †Quercus hiholensis — Miocene — # Washington State [4] Quercus hinckleyi C.H.Mull. – Hinckley oak – # Texas ...
Acorns from Quercus acutissima. Quercus acutissima is a medium-sized deciduous tree growing to 25–30 metres (82–98 feet) tall with a trunk up to 1.5 m (5 ft) in diameter.
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Pterocarpus indicus (commonly known as Amboyna wood, Malay padauk, Papua New Guinea rosewood, Philippine mahogany, Andaman redwood, Burmese rosewood, narra [3] (from Tagalog [4]) and asana in the Philippines, angsana, or Pashu padauk) is a species of Pterocarpus of the Sweet Pea Family (Papilionaceae) native to southeastern Asia, northern Australasia, and the western Pacific Ocean islands, in ...
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Towards the centre of the trunk, the wood gets less hard. The wood has a Janka ball hardness of 112.5 - 154.7 kgf/cm 2 (1600 – 2200 psi), which is greater than that of oak (70.3 - 84.4 kgf/cm 2) and Douglas fir (35.9 kgf/cm 2). Coconut timber is classified according to three degrees of density: High-density timber (dermal) – hard: 600–900 ...