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- Populus_sect._Aigeiros abstract "Populus section Aigeiros is a section of three species in the genus Populus, the poplars. Commonly known as cottonwoods, the species are native to North America, Aigeiros, and western Asia. In the past, as many as six species were recognized, but recent trends have been to accept just three species, treating the others as subspecies of P. deltoides.They are large, deciduous trees 20–45 m tall, distinguished by thick, deeply fissured bark and triangular-based to diamond-shaped leaves that are green on both sides (without the whitish wax on the undersides of balsam poplar leaves) and without any obvious balsam scent in spring. An important feature of the leaves is the petiole, which is flattened sideways so that the leaves have a particular type of movement in the wind.Male and female flowers are in separate catkins, appearing before the leaves in spring. The seeds are borne on cottony structures that allow them to be blown long distances in the air before settling to ground.The cottonwoods are exceptionally tolerant of flooding, erosion, and flood deposits filling around the trunk.Although each of the three cottonwood species has a different leaf pattern, they all have the same general diamond leaf shape.Populus deltoides (eastern cottonwood) is one of the largest North American hardwood trees, although the wood is rather soft. It is a riparian zone tree. It occurs throughout the eastern United States and in extreme southern Canada. The leaves are alternate and simple, with coarsely toothed (crenate/serrate) edges, and subcordate at the base. The leaf shape is roughly triangular, hence the species name, deltoides.In the typical subspecies P. d. deltoides (Vermont south to northern Florida and west to about Michigan), the leaves are broad and triangular, 7–15 cm across at the base. Further west (Minnesota south to eastern Texas), the subspecies P. d. monilifera (plains cottonwood; syn. P. sargentii) has somewhat narrower leaves, 5–10 cm wide at the base. This is also the state tree of Nebraska, Wyoming, and Kansas. In West Texas, New Mexico, and Colorado, the subspecies P. d. wislizeni (Rio Grande cottonwood; syn. P. wislizeni) occurs.Populus fremontii (Fremont cottonwood) occurs in California east to Utah and Arizona and south into northwest Mexico; it is similar to the eastern cottonwood, differing mainly in the leaves having fewer, larger serrations on the edge, and small differences in the flower and seed pod structure. Some consider P. fremontii to be a subspecies of P. deltoides.Populus nigra (black poplar), native to Europe and western Asia, is distinct in its much smaller leaves, 5–11 cm across, with a more rhombic (diamond) shape.".
- Populus_sect._Aigeiros class Eudicots.
- Populus_sect._Aigeiros division Flowering_plant.
- Populus_sect._Aigeiros family Salicaceae.
- Populus_sect._Aigeiros genus Populus.
- Populus_sect._Aigeiros kingdom Plant.
- Populus_sect._Aigeiros order Malpighiales.
- Populus_sect._Aigeiros order Rosids.
- Populus_sect._Aigeiros thumbnail CottonwoodFall.jpg?width=300.
- Populus_sect._Aigeiros wikiPageExternalLink tree_swamp_cottonwood.htm.
- Populus_sect._Aigeiros wikiPageExternalLink deciduous.html.
- Populus_sect._Aigeiros wikiPageID "201020".
- Populus_sect._Aigeiros wikiPageRevisionID "594366138".
- Populus_sect._Aigeiros familia Salicaceae.
- Populus_sect._Aigeiros genus "Populus".
- Populus_sect._Aigeiros hasPhotoCollection Populus_sect._Aigeiros.
- Populus_sect._Aigeiros imageCaption "Plains cottonwood".
- Populus_sect._Aigeiros imageCaption "Populus deltoides subsp. monilifera".
- Populus_sect._Aigeiros ordo Malpighiales.
- Populus_sect._Aigeiros regnum "Plantae".
- Populus_sect._Aigeiros sectio "Aigeiros".
- Populus_sect._Aigeiros sectioAuthority Jean_Étienne_Duby.
- Populus_sect._Aigeiros subdivision "Populus deltoides L.".
- Populus_sect._Aigeiros subdivision "Populus fremontii".
- Populus_sect._Aigeiros subdivision "Populus nigra L.".
- Populus_sect._Aigeiros subdivisionRanks "Species".
- Populus_sect._Aigeiros unrankedClassis Eudicots.
- Populus_sect._Aigeiros unrankedDivisio Flowering_plant.
- Populus_sect._Aigeiros unrankedOrdo Rosids.
- Populus_sect._Aigeiros subject Category:North_American_desert_flora.
- Populus_sect._Aigeiros subject Category:Plant_sections.
- Populus_sect._Aigeiros subject Category:Populus.
- Populus_sect._Aigeiros subject Category:Symbols_of_Wyoming.
- Populus_sect._Aigeiros subject Category:Trees_of_Montana.
- Populus_sect._Aigeiros subject Category:Trees_of_the_Eastern_United_States.
- Populus_sect._Aigeiros subject Category:Trees_of_the_Plains-Midwest_(United_States).
- Populus_sect._Aigeiros type LivingThing100004258.
- Populus_sect._Aigeiros type Object100002684.
- Populus_sect._Aigeiros type Organism100004475.
- Populus_sect._Aigeiros type PhysicalEntity100001930.
- Populus_sect._Aigeiros type Plant100017222.
- Populus_sect._Aigeiros type Tree113104059.
- Populus_sect._Aigeiros type TreesOfMontana.
- Populus_sect._Aigeiros type TreesOfTheEasternUnitedStates.
- Populus_sect._Aigeiros type TreesOfThePlains-Midwest(UnitedStates).
- Populus_sect._Aigeiros type VascularPlant113083586.
- Populus_sect._Aigeiros type Whole100003553.
- Populus_sect._Aigeiros type WoodyPlant113103136.
- Populus_sect._Aigeiros type Eukaryote.
- Populus_sect._Aigeiros type Plant.
- Populus_sect._Aigeiros type Species.
- Populus_sect._Aigeiros type Organism.
- Populus_sect._Aigeiros comment "Populus section Aigeiros is a section of three species in the genus Populus, the poplars. Commonly known as cottonwoods, the species are native to North America, Aigeiros, and western Asia. In the past, as many as six species were recognized, but recent trends have been to accept just three species, treating the others as subspecies of P.".
- Populus_sect._Aigeiros label "Italiaanse populier".
- Populus_sect._Aigeiros label "Populus sect. Aigeiros".
- Populus_sect._Aigeiros label "Pyramidenpappel".
- Populus_sect._Aigeiros label "Topola włoska".
- Populus_sect._Aigeiros label "Тополь пирамидальный".
- Populus_sect._Aigeiros sameAs Pyramidenpappel.
- Populus_sect._Aigeiros sameAs Italiaanse_populier.
- Populus_sect._Aigeiros sameAs Topola_włoska.
- Populus_sect._Aigeiros sameAs m.01ck8b.
- Populus_sect._Aigeiros sameAs Q678847.
- Populus_sect._Aigeiros sameAs Q678847.
- Populus_sect._Aigeiros sameAs Populus_sect._Aigeiros.
- Populus_sect._Aigeiros wasDerivedFrom Populus_sect._Aigeiros?oldid=594366138.
- Populus_sect._Aigeiros depiction CottonwoodFall.jpg.
- Populus_sect._Aigeiros isPrimaryTopicOf Populus_sect._Aigeiros.