Acer micranthum develops into a sizable shrub or a modest tree characterized by its gracefully arching branches and young shoots that bear a reddish hue. The plant produces greenish-white flowers, and its serrated leaves display a vibrant transformation in autumn, shifting to shades of orange, yellow, and red.

Acer consists of deciduous trees or sizable shrubs featuring pairs of leaves that are frequently palmately lobed. These plants produce small flowers that give way to distinctive winged fruits. Numerous species display vibrant autumn foliage, while certain varieties also exhibit decorative stems.

Acer micranthum

Acer miyabei is a deciduous tree that can reach heights of 25 meters. Its leaves can grow up to 15 centimeters wide, featuring five lobes with shallow, rounded teeth and are attached to long petioles that release a milky sap when damaged. In spring, the tree produces loose clusters of small yellow-green flowers, which are succeeded by winged fruits. In the fall, the foliage transforms to a yellow hue.

Acer miyabei

Acer mono 'Acutissimum'

Acer mono subsp. tricuspis

Acer mono var. savatieri

A compact, rounded small tree that can reach up to 8 meters tall, featuring thick, shiny, dark green foliage. In spring, it produces abundant yellow-green flowers arranged in drooping clusters, which are succeeded by red-winged fruits during the summer.

Acer monspessulanum

Acer monspessulanum 'Laciniatum Nanum'

Acer monspessulanum subsp. assyriacum

Acer monspessulanum subsp. ibericum is a small deciduous tree that typically reaches around 8 meters in height. Its bark is grey, and when young, it boasts a dense coverage of leathery, grey-green leaves that are divided into three lobes. As the tree matures, the foliage becomes less dense and reveals a lighter, hairy underside. In autumn, the leaves turn a vibrant yellow. The tree produces clusters of yellow-green flowers in drooping racemes, which are succeeded by red-winged fruits that appear in midsummer.

Acer monspessulanum subsp. ibericum

Acer monspessulanum subsp. monspessulanum

Acer monspessulanum subsp. oksalianum

Acer monspessulanum subsp. turcomanicum

Acer morifolium is an uncommon, deciduous shrub or small tree that typically reaches heights of around 10 meters. It often features multiple stems and displays an interesting bark with green and white streaks, while its young shoots exhibit a purplish-red hue. The leaves, which can be unlobed or possess slight lobes, measure approximately 10 centimeters in length and 5 centimeters in width. Initially, they present a glossy bronze-green appearance, transitioning to a deep green as they mature, and finally displaying golden yellow tones with red highlights in the fall. In spring, the tree produces yellowish-green flowers in drooping clusters, which give way to winged fruits that are yellowish-brown by autumn.

Acer morifolium

Acer morrisonense 'Millicent'

A fast-growing deciduous tree featuring compound leaves on green, youthful stems. It produces male and female flowers on distinct plants, exhibiting yellow foliage in the fall.

Acer negundo

Acer negundo 'Auratum' is a deciduous tree that typically reaches a height of approximately 8 meters. Its pinnate leaves consist of oval leaflets that initially emerge in a vibrant yellow hue during spring, gradually lightening as they develop. In early summer, the tree produces small yellow-green flowers, with male and female blooms found on separate specimens; the male flowers grow in dense clusters, while the female flowers form elongated, loose tassels. This cultivar exhibits a slower growth rate compared to the standard species.

Acer negundo 'Auratum'

Acer negundo 'Aureomarginatum' is a deciduous tree that reaches a height of approximately 10 meters. Its leaves are pinnate, measuring up to 20 centimeters in length, and consist of deep green leaflets edged with a creamy yellow margin. In spring, the tree produces thick clusters of greenish-yellow flowers, with male and female blooms occurring on different specimens. In autumn, the foliage transitions to yellow before it falls.

Acer negundo 'Aureomarginatum' (v)

Acer negundo 'Aureovariegatum' (v)

Acer negundo 'Elegans' is a deciduous tree that grows rapidly, reaching heights of approximately 15 meters. Its young shoots are covered with a bluish-white waxy coating, and it features pinnate leaves that can grow up to 20 centimeters long. These leaves consist of vibrant green leaflets edged with a bright yellow margin, which transition to a golden-yellow hue in the fall. In spring, the tree produces racemes of greenish-yellow flowers, with male and female blooms occurring on separate specimens.

Acer negundo 'Elegans' (v)

Acer negundo 'Flamingo' is a robust deciduous tree characterized by its pinnate leaves that feature broad pink edges, which develop a pink hue as they mature. The young petioles are red, adding further interest. The tree produces greenish-yellow flowers, and in the fall, it showcases a yellow foliage display. In winter, the pale grey branches create an attractive silhouette against the landscape.

Acer negundo 'Flamingo' (v)

Acer negundo 'Kelly's Gold' is a medium-sized, bushy deciduous tree. Its foliage consists of 5 to 7 leaflets that start as a vivid yellow, transition to yellow-green as they develop, and revert to yellow in the fall. During spring, male specimens produce yellow-green flowers that hang in tassel-like clusters.

Acer negundo 'Kelly's Gold'

Acer negundo 'Odessanum' (v)

Acer negundo 'Sensation'

Acer negundo 'Variegatum' is a deciduous tree that grows quickly to a height of approximately 15 meters. Its pinnate leaves can reach lengths of up to 20 centimeters, featuring bright green leaflets edged with white, which transition to yellow in the fall. In spring, this tree produces racemes of greenish-yellow flowers, with male and female blossoms occurring on separate specimens.

Acer negundo 'Variegatum' (v)

Acer negundo 'Winter Lightning' is a robust and rapidly growing tree, reaching heights of up to 10 meters. It features a wide, upright form. The tree is notable for its vivid yellow bark and pale green foliage, which transforms to yellow during the autumn months. In spring, it produces clusters of yellowish-green flowers.

Acer negundo 'Winter Lightning'

Acer negundo subsp. californicum

Acer negundo subsp. californicum var. texanum is a rapidly growing deciduous tree that can reach heights of approximately 15 meters. It features a bushy growth habit and has soft, hairy, pinnate leaves that are bright green and consist of three leaflets. In autumn, these leaves turn a shade of yellow. During spring, the tree produces greenish-yellow flowers arranged in racemes. Male and female flowers are found on separate trees, with the male flowers displaying prominent pink tassels. Following the flowering period, the tree develops brown, winged fruits.

Acer negundo subsp. californicum var. texanum

Acer negundo subsp. mexicanum is a rapidly growing tree that reaches heights of approximately 15 meters. It features a broad, spreading canopy and has bright green leaves that can grow up to 20 centimeters in length, typically consisting of three leaflets with distinctive red petioles and greyish stems. In the fall, the foliage transitions to a yellow hue. This species produces yellowish-green flowers in the spring, with male and female blossoms found on separate trees. Following flowering, female trees develop brown, winged fruits.

Acer negundo subsp. mexicanum

Acer negundo var. violaceum is a medium-sized deciduous tree with a bushy form. The young branches exhibit a purple hue, often coated in a white powdery film. The compound leaves consist of 5 to 7 leaflets, starting as a bronze-green shade and transitioning to a deeper green as they mature. In the spring, male specimens produce noticeable pink-purple, tassel-shaped flowers.

Acer negundo var. violaceum

Acer ningpoense

Acer nipponicum is a deciduous tree that can reach heights of approximately 20 meters. The foliage consists of sizable, shallowly lobed green leaves that can measure up to 25 centimeters in width, each lobe tapering to a point. The leaves exhibit a textured surface with pronounced veins and are initially covered in rust-colored hairs on their undersides. In spring, the tree produces dense clusters of small yellow-green flowers, which are succeeded by winged fruits. During the autumn months, the leaves transition to a yellow hue.

Acer nipponicum

Acer nipponicum 'Esveld'

Acer oblongum

Acer oblongum var. concolor

Acer oblongum var. itoanum

Acer obtusifolium is a semi-evergreen tree that can reach heights of over 8 meters. Its leaves are leathery and may be simple or shallowly divided into three lobes, displaying a dark green hue and often curling slightly downward at the edges. In spring, it produces clusters of small yellow-green flowers, which are succeeded by tan winged seeds that may have a reddish-pink tint.

Acer obtusifolium

Acer olivaceum

Acer oliverianum is a deciduous large shrub or small tree that can reach a height of approximately 8 meters. Its leaves are shallowly lobed with five segments, finely serrated, and measure up to 12 centimeters in length, displaying a mid-green hue that transforms into shades of orange, red, and purple during the autumn months. In spring, the plant produces long-stalked, pale yellow flowers, which are succeeded by brown, winged seeds.

Acer oliverianum

Acer oliverianum 'Sandling Park'

Acer oliverianum subsp. formosanum is a slow-growing deciduous tree, typically reaching about 5 meters in height, although it can attain greater dimensions in its natural habitat. The bark is smooth and greyish-brown, complemented by slender dark stems. Its leaves are narrow, featuring 3 to 5 lobes, and can grow up to 8 centimeters in length and width, displaying a mid-green hue that transitions to shades of orange and crimson-bronze in the fall. In spring, the tree produces yellowish flowers, which give way to brown, winged fruits that mature in mid-autumn.

Acer oliverianum subsp. formosanum

Acer opalus is a deciduous tree that can reach heights of 25 meters or more in its natural habitat, although it typically grows smaller when cultivated. The leaves are broad and shallowly divided into five lobes, displaying a glossy green surface with a downy texture on the underside. In early spring, before the foliage emerges, clusters of small yellow flowers bloom, giving way to winged seeds that may have a hint of silvery pink. In autumn, the leaves transition to shades of yellow and rusty orange.

Acer opalus

Acer opalus Miller. aff. var. neapolitanum

Acer opalus subsp. hispanicum

Acer opalus subsp. obtusatum

Acer orizabense

Acer palmatum is a small, adaptable tree characterized by its 5 to 7-lobed leaves, which can display vibrant autumn hues. In spring, it produces small red flowers, leading to the development of winged fruits that may be red or green.

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