Trees Gallery - Dawyck Botanial Gardens. Page 2

Acer circinatum acer - maple; circinatum - rounded, circular (relating to the shape of the leaves)

Vine maple

Native to NW North America, typically growing as a low-elevation coastal tree in temperate areas of high precipitation. It grows as a many-stemmed shrub-like tree to between 5 and 8 m, occasionally more. It produces a single flower a flower that produces one fruit with dark red sepals and 5 yellow petals. The David Douglas Tree Trail label says: AUTUMN'S ALARM CLOCK This is a talented specimen; early starter, stunning looks and very useful. In late summer this small, multi-stemmed tree is the first in the Garden to show signs of autumn. Although an early bird it is not short on quality. Like many of its maple relatives, t boasts a blaze of autumn foliage. In America the vine maple is called the basket tree. Its long, straight shoots are easily split and ideal for weaving. Every year, it is always exactly the same vine maple branch that first signals autumn's approach.

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Acer cissifolium acer - maple; cissifolium - resembling the leaves of cissus, a genus in the vine family

Ivy-leaved maple

A fairly small deciduous tree growing to 10 m, native to mountainous areas of Japan. Initial growth is upright oval, with age it becomes distinctly mushroom-like with a wide-spreading, globose form. In spring long catkins appear and are followed by two winged samaras spreading at an acute angle. It is dioecious male and female flowers are on separate trees. The leaves turn a modest yellow to red in autumn. The bark is smooth and grey.

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Acer griseum acer - maple; griseum from L. griseus - grey, referring to the undersides of the leaves

Paper bark maple

A.k.a. blood-bark maple, a small to medium-sized, deciduous, oval rounded tree reaching 6–9 m, with slender upright branching, native to mixed forests in C China. The yellow flowers are androdioecious bearing only male (staminate) flowers on some plants and either bisexual or both male (staminate) and female (pistillate) flowers on other plants. , produced in small pendent corymbs in spring, the fruit being a paired samara with two winged seeds about 1cm long with a 3cm wing.

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Acer heldreichii acer - maple; heldreichii - after German botanist Theodor Heinrich Hermann von Heldreich (1822-1902)

Greek maple

A.k.a. Balkan maple, native to Albania, Bosnia Herzegovina, Bulgaria, Greece, Macedonia, Montenegro and Serbia. A deciduous tree growing to 25 m or more in the wild. The leaves are chartaceous a texture similar to stiff paper or parchment, thickly membranous , broadly pentagonal to rectangular in outline, with a truncate base, 5-lobed, deeply dissected. The upper surface is dark green, lower surface paler, glabrous free from hair or down; smooth. . Autumn colours are yellow to brown. The inflorescence in May is terminal, large, corymbose a type of inflorescence in which the lower flowers have longer pedicels than the upper ones, creating a flat-topped appearance. , somewhat erect, with few to many yellow flowers.

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Acer mono

Painted maple

A.k.a. a. pictum and a. pictum subsp. mono acer - maple; mono - from Mono County, California; pictum - painted or brightly coloured, referring to the autumn leaves . A deciduous tree growing slowly to 20 m, native to China, Korea, Japan, Mongolia and E Russia. It is monoecious individual flowers are either male or female, but both sexes can be found on the same plant , in flower from April to May, and the seeds ripen into samaras a winged achene, a type of fruit in which a flattened wing of fibrous, papery tissue develops from the ovary wall. in horizontal to upright clusters, each pair usually wide spreading, but the angle can vary from horizontal to parallel or even overlapping.

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Acer pseudoplatanus acer - maple; pseudoplatanus - false plane, referring to a superficial similarity of leaves and bark to those of plane trees (genus platanus)

Sycamore

The Scottish Tree Trail label says: (Gaelic: sice). Although common in Scottish woods, the sycamore is an introduction from Europe, probably by the Romans. The wood of this large aple has many traditional uses. The rounded stems provided rollers in early textile mills; they are also readily turned to make chair legs. The characteristic winged seed are typical of all maples and are often called 'helicopters'.

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Acer rubrumacer- maple; rubrum - red, referencing the colour of the flowers, buds, and autumn foliage. (L.)

Red maple

A.k.a. swamp maple or water maple, a common native of E and C America, growing to 30 m. Its flowers, petioles, twigs, and seeds are all red to varying degrees, plus brilliant deep scarlet foliage in autumn. The red, 5-petalled flowers are generally unisexual, with male and female flowers appearing in separate sessile without a stem (usually of leaves, or acorns). Literally 'fixed in one place, immobile' clusters in late winter to early spring. The tree is polygamodioecious some individuals are male, some female, and some monoecious . Staminate male flowers are sessile, pistillate female flowers are borne on pedicels a small stalk bearing an individual flower in an inflorescence that grow out while the flowers are blooming. Fruits are a schizocarp fruits in which each carpel of a compound ovary splits apart to form two or more parts, each with a single seed. of 2 samaras a winged achene, a type of fruit in which a flattened wing of fibrous, papery tissue develops from the ovary wall, each one 15-25 mm long, wings diverging at an angle of 50 to 60°.

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Acer rufinerve acer - maple, rufinerve - red vein, referring to the reddish down on the veins (L.)

Grey snake-bark maple

A.k.a. red-vein maple or Honshū maple, (Japanese: ウリハダカエデ urihadakaede, " melon-skin maple referring to the bark pattern "), a small deciduous tree growing to a height of 8–15 m, native to the mountain forests of Japan. It is dioecious male and female flowers on separate trees The flowers are produced in racemes 10 cm long, with 5 greenish-yellow sepals and petals, followed by a paired samara a winged achene, a type of fruit in which a flattened wing of fibrous, papery tissue develops from the ovary wall. 2–3 cm long with rounded nutlets.

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Acer tataricum ginnala acer - maple, tataricum - of the Tatar people (area of Siberia and Mongolia) ginnala - native name in China and Japan (?)

Amur maple

A.k.a. Acer tataricum subsp. ginnala, Tatar maple, a deciduous spreading shrub or small tree growing to 3–10 m, native to NE Asia. The flowers are yellow-green, 5–8 mm diameter, produced in spreading panicles in spring as the leaves open. The fruit is a paired reddish samara, maturing in late summer to early autumn. Amur maple is treated either as a subspecies of A. tataricum or as a distinct species in its own right (a. ginnala).

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Aesculus hippocastanum aesculus - an old Latin name for oak or mast bearing tree (or possibly an edible acorn); hipposcastanum - from Greek hippos - horse and kastanos - chestnut, reflecting similarity of the two unrelated species' nuts. Horse could be due to a medicinal use with horses (doubtful), or the older meaning of horse as 'strong'.

Horse chestnut

A.k.a. buckeye and conker tree. A large tree, growing to 39 m with a domed crown of stout branches, native to the Balkans. On old trees, the outer branches are often pendulous with curled-up tips. The , complete with seven "nails". The flowers are usually white with a yellow to pink blotch at the base of the petals; they are produced in spring in erect panicles a loose branching cluster of flowers 10–30 cm tall with 20–50 flowers on each panicle, from which 1-5 conkers develop in green, spiky capsules. Each conker is 2–4 cm in diameter, glossy nut-brown with a whitish scar at the base.[Wikipedia]

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