Friday, January 30, 2015

Sorbus chamaemespilus - Dwarf Whitebeam - False Medlar

General Information
Common Name Dwarf Whitebeam, False Medlar.
Scientific Name Sorbus chamaemespilus
Sun Tolerance Full Sun
Height 2 - 3 m (7-10 ft)
Spread 2 -3 m (7 - 10 ft)
Growth Rate Fast
Bloom Time Spring
Color Green,
Flower Color Pink
Type Tree
Native Asia, Europe, USA
Classification
Kingdom Plantae – Plants
Subkingdom Tracheobionta – Vascular plants
SuperdivisionSpermatophyta – Seed plants
Division Magnoliophyta – Flowering plants
Class Magnoliopsida – Dicotyledons
Subclass Rosidae
Order Rosales
Family Rosaceae – Rose family
Genus Sorbus L. – Mountain Ash
Species S. chamaemespilus

Sorbus chamaemespilus - Dwarf Whitebeam
Sorbus chamaemespilus commonly known as Dwarf Whitebeam also called False Medlar. This is a species of Sorbus and native to the mountains of central and southern Europe, from the Pyrenees east through the Alps to the Carpathians and the Balkans.
It is a deciduous shrub tree. It is growing to 2–3 m (7-10 ft) in height. The leaves are spirally arranged, oval-elliptic. They are 3–7 cm long, with an acute apex and a serrated margin; they are green on both sides, without the white felting found on most whitebeams. It blooms pink flowers in late spring. The flowers have five forward-pointing petals. Every petals 5–7 mm long; they are produced in corymbs 3–4 cm diameter. The fruit is an oval red pome 10–13 mm diameter.


Sorbus chamaemespilus - Dwarf Whitebeam

Leaf of Dwarf Whitebeam

Sorbus chamaemespilus - Dwarf Whitebeam Leaf back part

Sorbus chamaemespilus - Dwarf Whitebeam Flowers

Flowers of Sorbus chamaemespilus 

Sorbus chamaemespilus - Dwarf Whitebeam

Flowers of Dwarf Whitebeam

Sorbus chamaemespilus - Dwarf Whitebeam Flowers

Sorbus chamaemespilus - Dwarf Whitebeam Green Fruits

Fruits of Dwarf Whitebeam

Dwarf Whitebeam Fruits

Sorbus chamaemespilus - Dwarf Whitebeam

Sorbus chamaemespilus - Dwarf Whitebeam


Friday, January 16, 2015

Sorbus domestica - True Service Tree


General Information
Common Name True Service Tree
Scientific Name Sorbus domestica
Sun Tolerance Full Sun
Height 15 - 20 m (48-65 ft)
Spread 6 -8 m (20 - 30 ft)
Growth Rate Fast
Bloom Time Spring
Color Green,
Flower Color White
Type Tree
Native Asia, Europe, USA.
Classification
Kingdom Plantae – Plants
Subkingdom Tracheobionta – Vascular plants
SuperdivisionSpermatophyta – Seed plants
Division Magnoliophyta – Flowering plants
Class Magnoliopsida – Dicotyledons
Subclass Rosidae
Order Rosales
Family Rosaceae – Rose family
Genus Sorbus L. – Mountain Ash
Species S. domestica

Sorbus domestica - True Service Tree
Sorbus domestica commonly called True Service Tree. It is native to western, central and southern Europe, northwest Africa and southwest Asia. This is a long living tree, with ages of 300 – 400 years.
It is a deciduous tree. It is growing to 15–20 m (48 – 65 ft) in height. Sometime reach to 30 m (99 ft) and trunk up to 1 m diameter. The bark is brown, smooth on young trees, becoming fissured and flaky on old trees. In the winter buds are green, with a sticky resinous coating. The leaves are 15–25 cm long, pinnate with 13-21 leaflets 3–6 cm long and 1 cm broad, with a bluntly acute apex, and a serrated margin on the outer half or two thirds of the leaflet. It blooms white flowers in spring. The flowers are 13–18 mm diameter, with five petals and 20 stamens; they are produced in corymbs 10–14 cm diameter in and are hermaphrodite and insect pollinated. The fruit is a pome 2–3 cm long, greenish-brown, often tinged red on the side exposed to sunlight. The fruits looks like a apple-shaped or pear-shaped.
 Fruits, seeds and wood of True Service Tree can be widely used for food production, pharmaceutics, cosmetics and craftsmanship. It is also plants for landscaping in the park or beside the road.


Sorbus domestica - True Service Tree Leaves


Flowers of True Service Tree

Sorbus domestica - True Service Tree Green Fruits

Sorbus domestica - True Service Tree Fruits

Fruits of True Service Tree

True Service Tree Fruits

Sorbus domestica - True Service Tree Fruits

Fruits of Sorbus domestica

Sorbus domestica - True Service Tree

Sorbus domestica - True Service Tree Fruits

Seeds of True Service Tree

Bark of True Service Tree

Sorbus domestica - True Service Tree in Autumn

Sorbus domestica - True Service Tree

Sorbus domestica - True Service Tree

Friday, January 9, 2015

Sorbus americana - American Mountain-Ash

General Information
Common Name American Mountain-ash
Scientific Name Sorbus americana
Sun Tolerance Full Sun
Height 9 - 12 m (30-40 ft)
Spread 6 -8 m (20 - 30 ft)
Growth Rate Fast
Bloom Time Spring
Color Green,
Flower Color White
Type Tree
Native USA, Asia, Europe.
Classification
Kingdom Plantae – Plants
Subkingdom Tracheobionta – Vascular plants
SuperdivisionSpermatophyta – Seed plants
Division Magnoliophyta – Flowering plants
Class Magnoliopsida – Dicotyledons
Subclass Rosidae
Order Rosales
Family Rosaceae – Rose family
Genus Sorbus L. – Mountain Ash
Species S. americana

Sorbus americana - American Mountain-Ash
Sorbus americana is commonly known as the American Mountain-ash. It is a deciduous perennial tree, native to eastern North America. The American mountain-ash and related species are most often the European Mountain ash, Sorbus aucuparia referred to as rowan trees.
It is a relatively small tree, reaching 12 m (40 ft) in height. It’s bark Light gray, smooth, surface scaly. Branchlets downy at first, later become smooth, brown tinged with red, lenticular, finally they become darker and the papery outer layer becomes easily separable. The leaves of American Mountain-ash are arranged alternate, compound, odd-pinnate, 6-25 cm long, with slender, grooved, dark green or red petiole. They come out of the bud downy, conduplicate; when full grown are smooth, dark yellow green above and paler beneath. In autumn they turn a clear yellow. Stipules leaf-like, caducous.
After the leaves are full grown it blooms white flowers in Spring. The flowers are 30 mm across, borne in flat compound cymes 7-10 cm across. Bracts and bractlets acute, minute, caducous. The fruits look berry-like pome, globular, 60 mm across, bright red, borne in cymous clusters. They are start ripens in October and remains on the tree all winter. Flesh thin and sour, charged with malic acid. The seeds light brown. And oblong, compressed; cotyledons fleshy.
S. americana is cultivated as an ornamental tree in gardens and parks. 


Sorbus americana - American Mountain-Ash

Sorbus americana - American Mountain-Ash Leaves

Leaves of American Mountain-Ash

Sorbus americana - American Mountain-Ash Leaves in Autumn

Sorbus americana - American Mountain-Ash Flowers

Flowers of American Mountain-Ash

Flowers of Sorbus americana 

Sorbus americana - American Mountain-Ash Bark

Sorbus americana - American Mountain-Ash Green Fruits

Sorbus americana - American Mountain-Ash Fruits

Fruits of American Mountain-Ash

Sorbus americana - American Mountain-Ash in Autumn

Sorbus americana - American Mountain-Ash

Sorbus americana - American Mountain-Ash in Autumn

Sorbus americana - American Mountain-Ash



Friday, January 2, 2015

Sorbus alnifolia - Korean Whitebeam

General Information
Common Name Korean Whitebeam
Scientific Name Sorbus alnifolia
Sun Tolerance Full Sun
Height 10 - 20 m (33-66 ft)
Spread 6 -8 m (20 - 30 ft)
Growth Rate Fast
Bloom Time Spring
Color Green,
Flower Color White
Type Tree
Native Asia, Europe, USA
Classification
Kingdom Plantae – Plants
Subkingdom Tracheobionta – Vascular plants
SuperdivisionSpermatophyta – Seed plants
Division Magnoliophyta – Flowering plants
Class Magnoliopsida – Dicotyledons
Subclass Rosidae
Order Rosales
Family Rosaceae – Rose family
Genus Sorbus L. – Mountain Ash
Species S. alnifolia

Sorbus alnifolia - Korean Whitebeam
Sorbus alnifolia commonly known as or Korean Whitebeam also known as Alder-leafed Whitebeam.  It is native to eastern Asia of northern China, Taiwan, Korea and Japan. This is a medium-sized tree that grows to 10–20 m (33-66 ft) tall and trunk grows up to 30 cm diameter with grey bark. The crown is columnar or conic in young trees and becoming rounded with age, with branches angled upwards, and slender shoots. 
This is a deciduous tree. The leaves are green above. The leaves are arranged alternately on the shoots and thinly hairy with white hairs beneath, 5–10 cm long and 3–6 cm broad, simple, usually un-lobed, broadest near the base, with serrated margins and an acute apex. In the autumn the leaves color become orange-pink to red. It blooms white flowers in late spring. The flowers are 10–18 mm diameter, with five white petals and 20 yellowish-white stamens; they are produced in corymbs 4–8 cm diameter. The fruit of Korean Whitebeam is a globose pome 8–15 mm diameter, the fruit is bright red. They are mature in mid-autumn. 
S. alnifolia is cultivate as an ornamental tree in northern Europe for its autumn color. The wood is used for furniture making and the bark for dye making in Japan. It has been used to make rulers in Russia.


Sorbus alnifolia - Korean Whitebeam

Sorbus alnifolia - Korean Whitebeam Leaves

Korean Whitebeam Leaves in Autumn 

Sorbus alnifolia - Korean Whitebeam Flowers

Flowers of Korean Whitebeam

Sorbus alnifolia - Korean Whitebeam Full Bloom

Sorbus alnifolia Flowers

Korean Whitebeam Green Fruits

Fruits of  Korean Whitebeam

Sorbus alnifolia Fruits

Sorbus alnifolia - Korean Whitebeam

Sorbus alnifolia - Korean Whitebeam in Autumn

Autumn color of Korean Whitebeam

Bark of Korean Whitebeam

Sorbus alnifolia - Korean Whitebeam