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While branches can be nearly horizontal, vertical, or diagonal, the majority of trees have upwardly diagonal branches. A number of mathematical properties are associated with tree branchings; they are natural examples of fractal patterns in nature, and, as observed by Leonardo da Vinci , their cross-sectional areas closely follow the da Vinci ...
Satellite images exemplify massive loss of forest cover in New Ireland between 1989 (bottom) and 2000 (top). Deforestation in Papua New Guinea has been extensive and in recent decades from 2001 to 2020, Papua New Guinea (PNG) lost 1.57Mha of tree cover, equivalent to a 3.7% decrease in tree cover since 2000, and 1.15Gt of CO₂e emissions.
Sonneratia alba is a mangrove tree in the family Lythraceae. The specific epithet alba is from the Latin meaning 'white', referring to the flowers. [4] Flower ...
Azadirachta indica, commonly known as neem, margosa, nimtree or Indian lilac, [3] is a tree in the mahogany family Meliaceae. It is one of the two species in the genus Azadirachta . It is native to the Indian subcontinent and to parts of Southeast Asia , but is naturalized and grown around the world in tropical and subtropical areas.
The branches are horizontal, produced in whorls of five or six. The leaves are spirally arranged, scale-like or awl-like, 6–12 centimetres (2–5 in) long and 1.5–2 cm ( 5 ⁄ 8 – 3 ⁄ 4 in) broad at the base, with a sharp tip; leaves on young trees are shorter (under 9 cm or 4 in) and narrower (under 1.5 cm or 5 ⁄ 8 in).
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 native to southeastern Asia, northern Australasia, and the western Pacific Ocean islands, in Cambodia, southernmost China, East Timor ...
The idea of a tree of life arose from ancient notions of a ladder-like progression from lower into higher forms of life (such as in the Great Chain of Being).Early representations of "branching" phylogenetic trees include a "paleontological chart" showing the geological relationships among plants and animals in the book Elementary Geology, by Edward Hitchcock (first edition: 1840).
Paubrasilia echinata is a species of flowering plant in the legume family, Fabaceae, that is endemic to the Atlantic Forest of Brazil. [4] [5] It is a Brazilian timber tree commonly known as Pernambuco wood or brazilwood [6] (Portuguese: pau-de-pernambuco, pau-brasil; [6] Tupi: ybyrapytanga [7]) and is the national tree of Brazil. [5]
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