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 palustris 'Flaming Suzy'

Quercus palustris 'Green Dwarf' is a deciduous shrub that grows slowly, eventually maturing into a small tree that reaches approximately 3 meters in height. Its foliage features green, sharply lobed leaves that transform into vibrant red-orange hues during the autumn season.

Quercus palustris 'Green Dwarf'

Quercus palustris 'Isabel' is a compact, slow-growing tree that reaches around 5 meters in height. Its foliage features green leaves with distinct, symmetrical lobes that transition to shades of orange and red in the fall before they drop.

Quercus palustris 'Isabel'

Quercus palustris 'Pendula'

Quercus palustris 'Pwjr08'

Quercus palustris 'Silhouette'

Quercus palustris 'Swamp Pygmy'

Quercus palustris 'Windischleuba'

Quercus palustris 'Woodside Splendor'PBR

Quercus palustris Green Pillar ('Pringreen') is a columnar deciduous tree characterized by a robust central leader and upright side branches that may arch slightly as it matures. Its leaves, measuring up to 15 cm in length, are glossy and feature deep lobes. They emerge green in the spring and summer before transitioning to shades of scarlet and reddish-brown in the fall.

Quercus palustris Green Pillar ('Pringreen')

Quercus pannosa

Quercus parusca

Quercus parvifolia Benth. ex Ettingsh.

Quercus parvula

Quercus parvula var. parvula

Quercus parvula var. shrevei

Quercus petraea is a substantial deciduous tree characterized by a wide, rounded canopy. Its leaves are dark green, leathery, and lobed, reaching lengths of up to 15 cm, and they shift to orange-brown hues in the fall. The tree produces subtle yellowish flowers that appear in catkins alongside the emerging leaves.

Quercus petraea

Quercus petraea 'Acutiloba'

Quercus petraea 'Appenina'

Quercus petraea 'Green Joy'

Quercus petraea 'Laciniata Crispa'

Quercus petraea 'Muscaviensis'

Quercus petraea 'Pendula'

Quercus petraea 'Purpurea'

Quercus petraea Mespilifolia Group

Quercus petraea subsp. polycarpa

Quercus phellos is a broad, deciduous tree that can reach heights of up to 20 meters. It features an oval to rounded canopy and narrow, glossy dark green leaves resembling those of willow, measuring up to 12 centimeters in length. In autumn, the foliage transitions from yellow to brown. While the flowers are not particularly notable, they can give way to small, rounded acorns nestled in shallow, saucer-like cups.

Quercus phellos

Quercus phellos 'Qpstj'

Quercus phellos Hightower ('Qpsta')

Quercus phillyreoides

Quercus phillyreoides 'Crispa'

Quercus phillyreoides 'Emerald Sentinel'

Quercus planipocula

Quercus polycarpa

Quercus polymorpha

Quercus pontica is a slow-growing deciduous shrub or small tree that can reach heights of up to 6 meters. It features a broadly oval crown supported by sturdy, upright branches. The leaves are large, oval-shaped, and toothed, measuring as much as 25 centimeters in length and 12 centimeters in width. The bright green leaves transition to yellow during the autumn months. While the female flowers are not particularly noticeable, the male flowers emerge in prominent olive-yellow catkins. In the fall, this species produces clusters of large acorns, each measuring between 2.5 and 4 centimeters in length.

Quercus pontica

Quercus prinoides

Quercus prinus L. is a sizable deciduous tree that can reach heights exceeding 20 meters. Its leaves are broad, with a glossy green upper surface and a lighter hue underneath, measuring up to 25 centimeters in length. The leaf margins are subtly lobed or exhibit wavy edges, transitioning to a russet brown-gold coloration before shedding. The tree produces inconspicuous flowers that develop into large acorns by autumn.

Quercus prinus L.

Quercus prinus WH 77

Quercus pubescens

Quercus pubescens subsp. crispata

Quercus pubescens subsp. pubescens

Quercus pumila Walt.

Quercus pumila ambig.

Quercus pungens

Quercus pyrenaica is a substantial deciduous tree characterized by a wide, rounded canopy and branches that often arch downward. The young shoots are covered in fine hairs. The leaves can reach lengths of up to 16 cm and are broadly oblong, featuring deep lobes and serrated edges. The upper surface is a dark, glossy green, while the underside presents a felted, greyish-green texture. In late spring, elongated male catkins emerge, transitioning from grey to gold. Acorns develop in clusters of two to four, supported by a downy, upright stalk.

Quercus pyrenaica

Quercus pyrenaica 'Argenteomarginata' (v)

Quercus pyrenaica 'Pendula' is a sizable deciduous tree that typically attains heights of 6 to 10 meters. It features gracefully arching branches and downy young shoots. The foliage is adorned with yellow-green, velvety hairs on both surfaces, displaying a paler green hue and more pronounced lobing than other varieties. In late June, golden catkins emerge, followed in autumn by clusters of elongated, oval acorns. This tree is well-suited for areas with moist soil conditions.

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