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Platanaceae
Platanaceae, the plane family, is a family (biology), family of flowering plants in the order Proteales. The family consists of only a single extant taxon, extant genus ''Platanus'', with twelve known species. 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. Description * Large, sympodial, deciduous tree, speckled bark (botany), bark that sheds in large irregular sheets, leaving a smooth surface that is mottled and pale, persistent bark at the base of the trunk, indumentum with large glandular hairs, multicellular and uniserrate or short with uniserrate ramification (in candelabrum), in stellate fascicles; glandular hairs with unicellular, globular capitulum, cuticular waxes without crystalloids, with rods and plates * Leaf, Leaves generally with very variable shapes and nervation, simple, alternate, more or less distichous, isobilateral palmate with three to sev ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Platanus Orientalis Tree, Thasos
''Platanus'' ( ) is a genus consisting of a small number of tree species native to the Northern Hemisphere. They are the sole living members of the family Platanaceae. All mature members of ''Platanus'' are tall, reaching in height. The type species of the genus is the Oriental plane ''Platanus orientalis''. All except for ''Platanus kerrii, P. kerrii'' are deciduous, and most are found in riparian or other wetland habitat (ecology), habitats in the wild, though proving drought-tolerant in cultivation. The hybrid London plane (''Platanus × hispanica'') has proved particularly tolerant of urban conditions, and has been widely planted in London and elsewhere across the temperate world. 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 Plantain (other), other, unrelated, species with the name). Some North American species are called sycamores (especially ''Platanus occidentalis''), ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Macginitiea
''Macginitiea'' is an extinct genus in the family Platanaceae ranging from the Paleogene, Late Paleocene to Late Eocene of North America, known from the John Day Fossil Beds National Monument#Geology and paleontology, Clarno Formation of central Oregon and other areas ranging from California to Texas and North to Alberta. The genus is strictly used to describe Leaf, leaves, but has been found in close association with other fossil platanoid organs, which collectively have been used for whole plant reconstructions. ''Macginitiea'' and its associated organs are important as together they comprise one of the most well-documented and ubiquitous fossil plants, particularly in the Paleogene of North America.Myers, J. A. (2003). Terrestrial Eocene-Oligocene Vegetation and Climate in the Pacific Northwest. ''From Greenhouse to Icehouse: The Marine Eocene-Oligocene Transition. Columbia University Press, New York'', 171-185. Because paleobotanical material is often found in disarticulation, ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Credneria
''Credneria'' is an extinct genus in the family or Platanaceae of broad-leaf trees similar to extinct ''Platanus'' species that appeared during the Cretaceous. The genus was first described by Zenker (1833) and has formerly been placed in the family Salicaceae rather than Platanaceae on occasion. ''Credneria'' leaves are preserved in sandstone and less often in siltstone. The leaves are typically obovate with a pinnate-actinodromous venation and distinct suprabasal veins. Species Known species are: * *''Credneria biloba'' *''Credneria bohemica'' *''Credneria comparabilis'' *''Credneria cuneifolia'' *''Credneria daturaefolia'' (Ward) *''Credneria denticulata'' *?''Credneria grewiopsoides'' *''Credneria integerrima'' *?''Credneria longifolia'' *''Credneria pachyphylla'' *''Credneria parva'' *''Credneria prophylloides'' ( Knowlton) *''Credneria pulchra'' *?''Credneria spatiosa'' *''Credneria subserrata'' (Hampe) *''Credneria subtriloba'' *''Credneria sudanense'' *''Credneria ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Proteales
Proteales is an order of flowering plants consisting of three (or four) families. The Proteales have been recognized by almost all taxonomists. The representatives of the Proteales can be very different from each other due to their very early divergence. They possess seeds with little or no endosperm. The oldest fossils of Proteales are of the nelumbonaceous genus '' Notocyamus'' from the Barremian stage of the Early Cretaceous of Brazil, 126–121 Ma (million years ago). According to molecular clock calculations, the lineage that led to Proteales split from other plants about 128 Ma or 125 Ma. Families Within the classification system of Rolf Dahlgren, the Proteales were in the superorder Proteiflorae, also called Proteanae; The APG II system (of 2003) also recognizes this order, placing it in the clade Eudicots, with the following circumscription: * order Proteales :* family Nelumbonaceae :* family Proteaceae Platanaceae.html" ;"title=" family Platanaceae"> family Plata ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Langeria
''Langeria'' is an extinct genus of flowering plants in the family Platanaceae containing the solitary species ''Langeria magnifica''. ''Langeria'' is known from fossil leaves found in the early Eocene deposits of northern Washington state, United States and similar aged formations in British Columbia, Canada. Distribution ''Langeria magnifica'' has been identified from a series of locations ranging from the Klondike Mountain Formation near Republic, Washington north. At least three locations in British Columbia have ''Langeria'' fossils, including the Coldwater Beds Quilchena locality near Merritt, the Tranquille Formations McAbee Fossil Beds near Kamloops, and the Chu Chua Formations Joseph Creek site near Chu Chua. Generally speaking, the age for the locations is Early Eocene, with the sites that have current uranium–lead or argon–argon radiometric dates being of Ypresian age, while the undated sites and sites with less current dating being possibly slightly younger ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Sapindopsis
''Sapindopsis'' ("''Sapindus''-like") is an extinct form genus for leaves of the Cretaceous Period, originally considered similar to soapberry. Associated reproductive structures now suggest it was more closely related to planes and sycamores of the family Platanaceae. Description In the form generic system of paleobotany ''Sapindopsis'' is used only for leaves, which are compound with three to six leaflets. Leaflets vary in distinctness or confluence with the midrib. The venation is pinnate, eucamptodromous to brochidodromus, with percurrent tertiary veins. Distribution and species ''Sapindopsis'' was geographically widespread from Asia to North America. Species include: *''Sapindopsis acuta'' - Albian–Coniacian; Atane Formation; Isunguak & Asuk, Greenland *''Sapindopsis angusta'' - Albian–Coniacian; Atane Formation; Isunguak & Asuk, Greenland *''Sapindopsis anhouryi'' - Cenomanian; Sannine Formation; Namoura, Lebanon. *''Sapindopsis asiaticus'' - Late Albian - E ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Tree
In botany, a tree is a perennial plant with an elongated stem, or trunk, usually supporting branches and leaves. In some usages, the definition of a tree may be narrower, e.g., including only woody plants with secondary growth, only plants that are usable as lumber, or only plants above a specified height. But wider definitions include taller palms, tree ferns, bananas, and bamboos. Trees are not a monophyletic taxonomic group but consist of a wide variety of plant species that have independently evolved a trunk and branches as a way to tower above other plants to compete for sunlight. The majority of tree species are angiosperms or hardwoods; of the rest, many are gymnosperms or softwoods. Trees tend to be long-lived, some trees reaching several thousand years old. Trees evolved around 400 million years ago, and it is estimated that there are around three trillion mature trees in the world currently. A tree typically has many secondary branches supported cle ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
London Plane
The London plane, or sometimes hybrid plane, ''Platanus'' × ''hispanica'', is a tree in the genus ''Platanus''. It is often known by the Synonym (taxonomy), synonym ''Platanus'' × ''acerifolia'', a later name. It is a Hybrid (biology), hybrid of ''Platanus orientalis'' (oriental plane) and ''Platanus occidentalis'' (American sycamore). Description The London plane is a large deciduous tree growing , exceptionally to tall, with a trunk up to in circumference. The Bark (botany), bark is usually pale grey-green, smooth and exfoliating, or buff-brown and not exfoliating. The leaf, leaves are thick and stiff-textured, broad, palmately lobed, superficially maple-like, the leaf blade long and broad, with a Petiole (botany), petiole long. The young leaves in spring are coated with minute, fine, stiff hairs at first, but these wear off and by late summer the leaves are hairless or nearly so. The flowers are borne in one to three (most often two) dense spherical inflo ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Bark (botany)
Bark is the outermost layer of Plant stem, stems and roots of woody plants. Plants with bark include trees, woody vines, and shrubs. Bark refers to all the Tissue (biology), tissues outside the vascular cambium and is a nontechnical term. It overlays the wood and consists of the inner bark and the outer bark. The inner bark, which in older Plant stem, stems is living tissue, includes the innermost layer of the periderm. The outer bark on older stems includes the dead tissue on the surface of the stems, along with parts of the outermost periderm and all the tissues on the outer side of the periderm. The outer bark on trees which lies external to the living periderm is also called the Glossary of botanical terms#rhytidome, rhytidome. Products derived from bark include bark shingle siding and wall coverings, spices, and other flavorings, tanbark for tannin, resin, latex, medicines, poisons, various hallucinogenic chemicals, and Cork (material), cork. Bark has been used to make clot ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
