Quercus alba, commonly known as the white oak, is a robust deciduous tree characterized by a youthful pyramidal form that evolves into a broader, rounded canopy as it ages. The bark displays a grayish-white hue, while small, inconspicuous catkins emerge in spring before the leaves. New foliage begins as pink, transitioning to dark green throughout the summer, and ultimately takes on a reddish-brown shade in the fall. In autumn, brown acorns develop, adding to the tree’s seasonal interest.

Quercus includes trees or shrubs that can be either deciduous or evergreen. The leaves may be entire, lobed, or toothed. Flowers are not prominent, but they are succeeded by distinctive acorns. Some species may display notable autumn foliage.

Quercus alba

Quercus alba 'Clara'

Quercus alba 'Elongata'

Quercus alba 'Laura'

Quercus aliena

Quercus aliena var. acutiserrata

Quercus alnifolia

Quercus ambigua

Quercus americana

Quercus aquifolioides

Quercus argyrotricha

Quercus arizonica

Quercus arkansana

Quercus aucheri

Quercus austrina

Quercus baloot is a slow-growing shrub or diminutive evergreen tree. Its leaves are nearly circular, exhibiting a dark glossy green hue on the upper surface and a lighter green shade underneath. The outer foliage is notably spiny, while the inner leaves have smooth edges. The acorns are small and spherical, with over half of their surface enveloped by the cup.

Quercus baloot

Quercus baronii

Quercus benthamii

Quercus berberidifolia

Quercus bicolor is a deciduous tree that can reach heights of up to 20 meters. It features a wide, rounded canopy and a relatively short trunk, characterized by its greyish-brown bark that is fissured and peels. The leaves are shallowly lobed, glossy dark green on the upper side, and have a felted, greyish-white underside, measuring up to 16 centimeters in length. In the fall, the foliage transforms into hues of orange, yellow, and red. While the spring flowers are not particularly noticeable, they can lead to the development of long-stalked acorns in autumn.

Quercus bicolor

Quercus brantii

Quercus buckleyi is a medium-sized deciduous tree that reaches heights of up to 15 meters. Its leaves are glossy green with distinct pointed lobes, transforming into vivid shades of red and orange in the fall before they drop.

Quercus buckleyi

Quercus buckleyi 'Dazzling Red'

Quercus calophylla

Quercus canariensis is a sizable deciduous tree that starts with a narrow form and matures into a wide, rounded canopy. Its leaves are glossy and dark green, reaching lengths of up to 15 cm, and remain on the tree well into winter. The flowers are small and greenish-yellow, lacking significant ornamental value.

Quercus canariensis

Quercus canariensis 'Latifolia'

Quercus canbyi

Quercus castanea

Quercus castaneifolia is a sizable deciduous tree that can reach heights of up to 35 meters. In the spring, its 15-centimeter leaves unfurl with a hint of copper before maturing to a glossy green hue, featuring shallow serrations along the margins. As autumn arrives, the foliage transitions to a yellow-brown shade, and large acorns develop, nestled in cup-like structures covered in a mossy texture.

Quercus castaneifolia

Quercus castaneifolia 'Green Spire' is a tall, deciduous tree that can grow up to 25 meters in height. Its green leaves, which feature serrated margins, can reach lengths of approximately 18 centimeters. In the fall, the foliage transitions to a yellow-brown hue, and large acorns develop within semi-circular cups adorned with pointed scales. Notably, the leaves may remain on the tree in their brown state.

Quercus castaneifolia 'Green Spire'

Quercus cerris is a rapidly growing, broad-canopied deciduous tree that can reach heights of 30 meters. Its slender, dark green foliage features pronounced, pointed lobes. The acorns can grow as long as 4 centimeters, encased in cups adorned with coarse scales.

Quercus cerris

Quercus cerris 'Afyon Lace'

Quercus cerris 'Argenteovariegata' is a compact deciduous tree that can reach about 10 meters in height after two decades. Its elongated, dark green leaves are characterized by pronounced, pointed lobes and feature distinctive creamy white edges. The acorns can grow to a length of 4 centimeters, with their caps adorned in coarse scales.

Quercus cerris 'Argenteovariegata' (v)

Quercus cerris 'Athena'

Quercus cerris 'Bolte's Obelisk'

Quercus cerris 'Curly Head'PBR

Quercus cerris 'Marmor Star'

Quercus cerris 'Summer Veil'PBR

Quercus cerris 'Wodan'

Quercus cerris Laciniata Group

Quercus cerris Marvellous ('Mve 281968'PBR)

Quercus cf. monimotricha

Quercus chapmanii

Quercus chenii

Quercus chrysolepis

Quercus chrysolepis 97 0375

Quercus coccifera is a compact, evergreen shrub that typically grows slowly to a height and width of 5 meters, occasionally reaching the stature of a small tree. Its bark is smooth and grey, developing cracks as it matures. The leaves resemble those of holly, featuring glossy, dark green surfaces with spiny edges, measuring between 3 to 5 centimeters in length. In spring, it produces subtle yellow-green flowers, which may give way to solitary acorns that are round to oval in shape, nestled in spiny cups.

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