Search Results for "quercus"

Quercus coccifera (Kermes oak)

Q. coccifera is a slow-growing, bushy, rounded to spreading, evergreen shrub or small tree with ovate, oblong, or lance-shaped, glossy, dark green leaves with spiny, margins and insignificant, yellow-green flowers in spring. Female flowers are followed small, spherical or ovoid acorns with spiny cups.
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5m max. spread

5m max. height

20-50 Years to maturity

Quercus nigra (Water oak)

Other names: North American barren oak, North American black oak, Possum oak, Quercus microcarya, Quercus nigra var. heterophylla, Spotted oak, Punk oak, Duck oak

Q. nigra is a broadly conical to broadly rounded, deciduous to semi-evergreen tree with pendent lower branches, smooth, grey bark, and spoon-shaped to narrowly obovate, usually three-lobed, dark green leaves turning yellow in autumn. Yellow-green flower catkins in spring are followed by spherical acorns with woolly, scaly cups.
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18m max. spread

25m max. height

50-100 years to maturity

Quercus velutina (Black oak)

Other names: American black oak, Dyer's oak, Quercitron, Yellow-barked oak

Q. velutina is a vigorous, spreading, deciduous tree with ridged, dark brown bark and elliptic to obovate, glossy, dark green leaves, brown-hairy beneath, with pointed, deep, bristle-tipped lobes, turning reddish-brown in autumn. Yellow-green flower catkins in spring are followed by ovoid to spherical acorns with cups that cover half of the acorn.
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18m max. spread

18m max. height

50-100 years to maturity

Quercus stellata (Post oak)

Other names: Iron oak, Rough white oak

Q. stellata is a rounded, deciduous tree with rough, often leathery, lobed, dark green leaves and insignificant, yellow-green flower catkins in spring as the leaves emerge. Flowers are followed by ovoid acorns with bowl-shaped cups.
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15m max. spread

15m max. height

50-100 years to maturity

Quercus muehlenbergii (Chinkapin oak)

Other names: Chestnut oak, Yellow chestnut oak

Q. muehlenbergii is a rounded, deciduous tree with scaly, grey bark and elliptic to obovate, glossy, triangularly lobed, pointed, dark green leaves, paler beneath, with curved teeth and turning yellow-brown in autumn. Insignificant, yellow-green flower catkins in mid-spring are followed by small, edible, ovoid acorns with scaly cups.
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18m max. spread

15m max. height

50-100 years to maturity

Quercus texana (Texas red oak)

Other names: Quercus nuttallii, Spanish oak, Quercus rubra var. texana, Quercus nuttallii var. cachensis, Quercus shumardii var. microcarpa, Quercus shumardii var. texana

Q. texana is a vigorous, rounded, deciduous tree with ovate, elliptic, or obovate, dark green leaves with deep, pointed, bristle-tipped lobes, the entire leaf turning red in late autumn. Produces ovoid to ellipsoid, brown acorns with scaly cups.
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17m max. spread

20m max. height

20-50 Years to maturity

Quercus faginea (Portuguese oak)

Other names: Lusitanian oak, Rebollo, Quejigo, Carvalho

Q. faginea is a spreading, deciduous to semi-evergreen tree with leathery, oblong to elliptic, glossy, toothed, dark or grey-green leaves, white-felted beneath, and pale yellow catkins in spring followed oblong to ovoid acorns.
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15m max. spread

20m max. height

20-50 Years to maturity

Quercus pontica (Armenian oak)

Other names: Pontine oak

Q. pontica is a rounded, deciduous shrub or small tree with obovate to broadly elliptic, veined, toothed, bright green leaves turning yellow and brown in autumn. Male, yellow-green flower catkins bloom in spring. Inconspicuous female flowers are followed by ovoid, brown acorns.
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5m max. spread

6m max. height

20-50 Years to maturity

Quercus robur (Common oak)

Other names: Pedunculate oak, Polish oak, Slavonian oak, English oak, Black oak, French oak

Q. robur is a large deciduous tree forming a broad crown of rounded leaves which turn reddish-brown in autumn and inconspicuous yellow-green catkins in spring followed by characteristic acorns.
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12m max. spread

15m max. height

20-50 Years to maturity

Quercus georgiana (Georgia oak)

Other names: Stone Mountain oak

Q. georgiana is a dense, spreading, deciduous or semi-evergreen shrub or tree with ovate to elliptic, glossy, dark green leaves deeply cut with two to five, pointed, bristle-tipped lobes. Leaves turn shades of red, orange, purple, and brown in autumn and persist on the tree until leaf buds swell in spring. Yellow-green flower catkins in spring are followed by spherical, brown acorns taking two years to mature.
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9m max. spread

9m max. height

50-100 years to maturity