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Dendrology (Ancient Greek: δένδρον, dendron, "tree"; and Ancient Greek: -λογία, -logia, science of or study of) or xylology (Ancient Greek: ξύλον, ksulon, "wood") is the science and study of woody plants (trees, shrubs, and lianas), specifically, their taxonomic classifications. [1]
The number of trees in the world, according to a 2015 estimate, is 3.04 trillion, of which 1.39 trillion (46%) are in the tropics or sub-tropics, 0.61 trillion (20%) in the temperate zones, and 0.74 trillion (24%) in the coniferous boreal forests. The estimate is about eight times higher than previous estimates, and is based on tree densities ...
Davidsonia: Davidson's plum trees; Davidsonia jerseyana: Davidson's plum; Mullumbimby plum Davidsoniaceae (Davidson's plum family) Davidsonia johnsonii: smooth Davidson's plum Davidsoniaceae (Davidson's plum family) Davidsonia pruriens: North Queensland Davidson's plum Davidsoniaceae (Davidson's plum family) Ebenaceae: ebony family
The Secret Life of Plants (1973) is a book by Peter Tompkins and Christopher Bird, which documents controversial experiments that claim to reveal unusual phenomena associated with plants, such as plant sentience and the ability of plants to communicate with other creatures, including humans.
Populus is a genus of 25–30 species of deciduous flowering plants in the family Salicaceae, native to most of the Northern Hemisphere.English names variously applied to different species include poplar (/ ˈ p ɒ p l ər /), aspen, and cottonwood.
The Betulaceae are believed to have originated at the end of the Cretaceous period (about 70 million years ago) in central China.This region at the time would have had a Mediterranean climate due to the proximity of the Tethys Sea, which covered parts of present-day Tibet and Xinjiang into the early Tertiary period.
The Wi'aaSal tree, a live oak in the reservation of the Pechanga Band of Indians, California, is at least 1,000 years old, and might be as much as 2,000 years old, which would make it the oldest oak in the US. [10] Among the smallest oaks is Q. acuta, the Japanese evergreen oak. It forms a bush or small tree to a height of some 30 feet (9.1 m ...
The trees can be harvested for their crimson red resin, called dragon's blood, which was highly prized in the ancient world and is still used today as a stimulant and abortifacient. [13] Around the Mediterranean basin it is used as a dye and as a medicine, Socotrans use it ornamentally as well as dyeing wool, gluing pottery, a breath freshener ...