General Description | A short statured deciduous tree with dark green foliage and bright yellow/orange autumn colour that is typically found with small flowering racemes in April-May, followed by small paired samaras. This subspecies has been placed on the IUCN Red List as least concern. |
ID Characteristic | A low growing tree with simple, opposite, 5-7 lobed dark green leaves, 2-4 cm long samaras and a white latex sap exudate from broken twigs. |
Shape | A very broad-spreading, rounded to almost flat-topped tree often equal in width and height. |
Landscape | The Painted Maple is used as a shade as well as a specimen tree in some gardens additionally it may be used in places such as parks, memorial gardens and estate landscapes. The Japanese use it extensively in landscape designs as specimen tree for shade and splendid autumn colour. |
Propagation | Pre-soak the seeds for 24 hours and stratify for 2-4 months at a temperature of 1-8 °C. Once seeds have grown to be 20 cm or more, transplant to pots. It may also be grafted onto A. platanoides root stock. |
Cultivation | A tree preferring a moderately sunny position but can tolerate partial shade to full sun. It grows well in moist soils that are well drained but can flourish in heavy clay soils with no preferable pH, but can suffer from chlorosis in alkaline soils. |
Pests | Tar spot and verticillium wilt are potential problems. |
Notable Specimens | Royal Botanical Gardens, Burlington, Ontario, Canada. |
Habitat | It can be found on hillsides, mountainsides, valleys, and forests. |
Bark/Stem Description | Mature bark is light to dark grey and is rough and coarse with vertical fissures. Branches and twigs are a light brown with noticeable, regularly spaced white lenticels. Freshly broken twigs exude a white latex sap identical to A. platanoides. |
Flower/Leaf Bud Description | The ovoid buds are 3 mm - 1 cm long, dark lustered, purplish red with 4-6 scales with the edges finely pubescent while the apex is silky pubescent. |
Leaf Description | The lobed, palmate leaves are opposite, cordate with entire margins. They are variable size ranging from 7.5-15 cm in length and width. The adaxial surface is smooth while abaxial it is rough but with an absence of hairs along the main vein (the only difference between it and the species). |
Flower Description | The flowering period is April-May when the greenish yellow flowers are borne on 6-9 cm long corymbrose racemes |
Fruit Description | 2-4 cm long samaras spread at right angles from the stems, bronze to light brown in colour and being quite abundant. |
Colour Description | Normally dark green with lighter undersides of leaves changing to an outstanding yellow/orange in the autumn. The bark is grey while the flowers are a greenish yellow. |
Texture Description | It is a medium textured tree. |