The gall produced by the leaves of the Aleppo oak, Quercus infectoria, in response to the larvae of a species of gall wasp, Cynips quercusfolii, and which has been harvested for thousands of years as a concentrated source of tannins for use in high-quality inks, in medicine, etc.
Any of various aromatic resins exuded from certain plants, especially trees of the genus Commiphora of Africa, Arabia and India and Myroxylon of South America.
A woody projection forming above the roots of certain cypress species, perhaps to aid in oxygenation to the roots or to anchor the tree in soft, muddy soil.
A clear to yellow resin, obtained in Malaya from trees of the genera Shorea (family Dipterocarpaceae) and Symplocos (family Symplocaceae), used in varnishes and inks
(uncountable, countable) Any of several species of North American pines in Pinus subsect. Cembroides that bear edible seeds (pine nuts), especially Pinus edulis; the nut pine.
(uncountable, countable) Any of several species of North American pines in Pinus subsect. Cembroides that bear edible seeds (pine nuts), especially Pinus edulis; the nut pine.
Quercus imbricaria, a deciduous tree of the red oaks, native primarily to the Midwestern and Upper South regions of North America, and most commonly found growing in uplands with good drainage.
(US) A classification of lumber, widely used in construction in much of the US, from any of several species of genus Pinus grown in the southeastern United States.
The wood in a tree's growth ring formed earlier in the growing season, when growth is more rapid, thus composed of wider elements and usually lighter in colour.
(US) Any of several North American plane trees, of the genus Platanus, especially Platanus occidentalis (American sycamore), distinguished by its mottled bark which flakes off in large irregular masses.
(US) Initialism of southern yellow pine. [(US) A classification of lumber, widely used in construction in much of the US, from any of several species of genus Pinus grown in the southeastern United States.]
Alternative form of talipot [A tall palm tree, Corypha umbraculifera, from Sri Lanka and southern India, having very large leaves which were used as a material to write on.]
Tsuga, a genus of conifers in the family Pinaceae. There are eight, nine, or ten species (depending on the authority), with four species occurring in North America and four to six in eastern Asia. Unlike poison hemlock (Conium), the various species of Tsuga are not poisonous.
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