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Quercus sinuata is a deciduous tree up to 20 metres (67 feet) tall. Leaves are narrow, with shallow rounded lobes. It tends to grow in wet habitats, such as on river bluffs, river bottoms, and flatwoods, and generally over basic substrates, such as mafic rocks, shells, or calcareous sediment.
The largest known Durand oak in the United States appeared on the National Register of Champion Trees in 2020. Located in Greene County, Alabama , the national champion specimen of Quercus sinuata var. sinuata was nominated in 2020 by Steve Gardiner and crowned on September 27, 2020, when it was last measured.
Quercus rotundifolia, the holm oak or ballota oak, [4] is an evergreen oak native to the western Mediterranean region, with the majority of the population in the Iberian Peninsula and minor populations in Northwest Africa. The species was first described by Jean-Baptiste Lamarck in 1785.
Alectryon excelsus is a sub-canopy tree growing to 9 m (30 ft) in height. It has a twisting trunk with smooth dark bark, spreading branches and pinnate leaves. [2] Adult leaflets do not have marginal teeth or usually have very few, blunt and shallow marginal teeth and usually leaflet margins are downturned, whereas, in juvenile leaflets have leaflets with strong teeth and flat along the edges. [3]
Quercus frainetto is a large deciduous tree, reaching heights of 38 metres (125 feet) tall by 20 m (66 ft) broad, [3] with a trunk girth of nearly 2 m (7 ft). The bark is light gray in colour and cracks into small square cracking plates.
It is fast-growing and usually has a pleasing red color in autumn, much more reliably so than the pin oak. This species was for years erroneously called Quercus nuttallii, but it is now known as Q. texana; this has created much confusion with Texas red oak, which was known as Q. texana but is now known as Q. buckleyi. [8]
All the different types of oak trees means there are options for just about any yard and growing condition. “Oaks are so diverse, with nearly 500 species of all shapes and sizes,” says author ...
Mountains of southern Arizona and New Mexico such as the Santa Catalina Mountains and the Chiricahua Mountains, for example, have a pine-oak woodland at an elevation of roughly 1,710–2,160 m (5,700 to 7,200 ft). Here, Q. hypoleucoides can be found as well as other species of oak trees such as the Q. arizonica, Q. emoryi, and Q. rugosa. [11]