Broadleaf species are in its simplest form have thin broad leaves, compared to t needle like or scale like leaves that Conifers have. Taxonomically they are in the angiosperms or flowering plants division. Examples species, include, Oaks, Ashes, Elms, Privets, etc.
Compared to Conifers their evolution goes back only to between 140-100 million years. They became the dominant species of plants about 100-60 million years ago, with anywhere between 250,000-400,000 species, depending on who you read.
Broadleaf reproduce with flowers that are evolutionary more diverse and sophisticated than Conifer reproductive devices Cones. Flowers have adapted to allow pollination from a host of agents including wind, water, incest's, birds and animals.
Broadleaf embryos are formed in protective coating the endosperm, that provide the embryo, with food and protection from the elements. The endosperm form a major source of food to many insects, birds and animals including humans, who in-tern have all helped with the flowering plants wide dispersal and indeed domination.
As Bonsai they form one of the most versatile groups. With whole range of seasonal interest, from spring foliage, to flowers, to innumerable leaf shapes, sizes, textures and colours, with most many deciduous species their is also the added season attraction of a trees fine branches in winter.
A medium sized hardy deciduous tree for smaller gardens and a long loved choice of Bonsai artists. Their vibrant spring and autumn colours, their trident shaped leafs, striking stem and bark colours and shallow fibrous root systems make this species especially attractive bonsai.
The Acer campestre is a native of the British Isle and is a medium sized hardy deciduous tree suitable for smaller gardens. Their palmate shaped leafs, with attractive lemon yellow spring colour and golden yellow autumn colour, striking stem and bark colours and shallow fibrous root systems make this species a attractive and robust bonsai with all year features. It is very popular as a Bonsai in Europe.
A small tree to 10 meters tall with narrow compact crown and cultivated in many parts of Europe and North America as a Boulevard tree for its gray bark, reddish brown twigs, light to lemon coloured spring foliage and flamboyant red autumn foliage. All the characteristics which make it a Bonsai which is appreciated through out the year.
A small hardy deciduous tree slow growing trees ideal for containers or smaller gardens and naturally a long loved choice of Bonsai artists. Their vibrant spring and autumn colours, their feathery leafs, striking stem and bark colours and shallow fibrous root systems make this species especially attractive bonsai.
The Norway maple is a common tree throughout much of Europe from Norway down to the Mediterranean and to Western Asia. It an important forestry wood in Europe with its Hard Light coloured wood finding use in furniture to musical instruments. As Bonsai it make an attractive Medium to Large Bonsai, despite it larger leaf size.
A Central European mountain species it is one of europes tallest maples often growing over 30 metres tall.
Tree to 20 meters tall with narrow compact crown. Bark gray and thin, becoming furrowed into long narrow scaly ridges on older trunks and branches. Twigs slender, reddish brown, glabrous, with small dark red blunt buds.
Adenium obesum originates from East Africa but is found widely cultivated in tropical regions as a garden and house plant because of it lovely variously coloured star shaped flowers. All parts of the Adeniums are toxic with its Sap and Roots being used as a poison in hunting in Africa. The Adeniums are trouble free easy to care for plants it need to be maintained at temperatures above 10C, have a dryish soil and a well light location. Its physical characteristics of bulbous trunk, gnarled roots, stemy branches make it a unique and attractive bonsai.
Introduced to the British Isles in the 17th Century, it is a deciduous Tree, growing to 45m and is priced for its flowers and conkers. It is a hardy but frost tender tree, which flowers in May. It has both Male and Female Flowers on the same tree and can be grown in moist well drained soils in semi-shade (light woodland) or no shade. It tolerates high winds and atmospheric pollution and hence is often planted along city roads. Because of its large leaves and stalks it is best suited to large sized Bonsai.
Indian Horse Chestnut is of common along the Western Himalayan Low-lands between 2,000 and 3,000 metres. It is an attractive tree with plentiful white blossoms during May and June. The leaves are also ornamental and form a beautiful canopy. In the British Isles it is popular in many parks and estates where it was in introduced in the mid 19th. It is a deciduous Tree, growing to 25m, growing in moist well drained soils. Because of its large leaves and stalks it is best suited to large sized Bonsai.
Italian Alder is native in Corsica, Southern Italy and parts of Western Asia. The Italian Alder is a handsome, conical shaped tree, with a dense crown and can grow up to 24 meters and more in exceptional conditions. It make a an handsome Medium to Large Bonsai.
The Common Alder is native throughout the British Isles and much of Continental Europe. It can be found on on wetter soils and often to high elevations and even on infertile terrains. The Alders have catkins with male and female ones on the same tree. The male catkin is loaded with about 120 individual flowers and 480 pollen-producing stamens, which after shedding their clouds of yellow pollen wither and fall.
13 Alnus incanaGrey Alder, Speckled Alder, Tag Alder
Grey Alder is a smaller tree than the Common Alder and will reach heights from 10 - 24 metres, depending on conditions. It has smooth grey shiny bark with very distinct pores. In older trees this may become duller and grow some fissures.