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They are often known in English as planes or plane trees. A formerly used name that is now rare is plantain tree (not to be confused with other, unrelated, species with the name ). [ 2 ] Some North American species are called sycamores (especially Platanus occidentalis ), [ 3 ] although the term is also used for several unrelated species of trees .
It is usually called sycamore in North America, a name which can refer to other types of trees in other parts of the world; in the United Kingdom, for example, the name syacamore typically refers to Acer pseudoplatanus. The American sycamore is a long-lived species, typically surviving at least 200 years and likely as long as 500–600 years. [7]
Platanus orientalis, the Oriental plane, [2] is a large, deciduous tree of the Platanaceae family, growing to 30 m (98 ft) or more, [3] and known for its longevity and spreading crown. In autumn its deep green leaves may change to blood red, amber, and yellow.
Platanaceae, the plane family, is a family of flowering plants in the order Proteales. The family consists of only a single extant genus Platanus, with twelve known species. [4] The plants are tall trees, native to temperate and subtropical regions of the Northern Hemisphere. The hybrid London plane is widely planted in cities worldwide.
The London plane, or sometimes hybrid plane, Platanus × hispanica, [2] is a tree in the genus Platanus. It is often known by the synonym Platanus × acerifolia , a later name. It is a hybrid of Platanus orientalis (oriental plane) and Platanus occidentalis (American sycamore).
Platanus racemosa is a species of plane tree known by several common names, including California sycamore, western sycamore, California plane tree, and in North American Spanish aliso. [1] Platanus racemosa is native to California and Baja California , where it grows in riparian areas, canyons , floodplains , at springs and seeps , and along ...
The thick root hangs from the plant's base directly into air. The root is covered with a special, usually 4- to 5-cell layer thick, [12] spongy tissue (called Velamen), which helps the plant to absorb moisture from the atmosphere. Epiphytic orchid have another sort of root, called clinging roots, that help the orchid plant cling to the ...
Due to these specialized proteoid roots, the Proteaceae are one of few flowering plant families that do not form symbioses with arbuscular mycorrhizal fungi. They exude large amounts of organic acids ( citric acid and malic acid ) every 2–3 days in order to aid the mobilization and absorption of phosphate.