Cleeve Wood,

Hanham Hanham is a suburb of Bristol. It is located in the south east of the city. Hanham is in the unitary authority of South Gloucestershire. It became a civil parish on 1 April 2003. The post code area of Hanham is BS15. The population of thi ...

is a () is an 8.9

hectare The hectare (; SI symbol: ha) is a non-SI metric unit of area equal to a square with 100- metre sides (1 hm2), or 10,000 m2, and is primarily used in the measurement of land. There are 100 hectares in one square kilometre. An acre is ...

biological Site of Special Scientific Interest A Site of Special Scientific Interest (SSSI) in Great Britain or an Area of Special Scientific Interest (ASSI) in the Isle of Man and Northern Ireland is a conservation designation denoting a protected area in the United Kingdom and Isle o ...

(SSSI) in

South Gloucestershire South Gloucestershire is a unitary authority area in the ceremonial county of Gloucestershire, South West England. Towns in the area include Yate, Chipping Sodbury, Thornbury, Filton, Patchway and Bradley Stoke, the latter three forming par ...

, notified in 1966. Cleeve Wood is situated on the steep south facing slopes of the River Avon valley near to the City of

Bristol Bristol () is a city, ceremonial county and unitary authority in England. Situated on the River Avon, it is bordered by the ceremonial counties of Gloucestershire to the north and Somerset to the south. Bristol is the most populous city i ...

. The primary scientific interest of the wood is the particularly large population of Bath Asparagus ('' Ornithogalum pyrenaicum'') which it supports. The Bath Asparagus in Cleeve Wood represents what is considered to be the largest and most stable population of this plant in this its centre of distribution. The wood is derived from the calcareous

Ash Ash or ashes are the solid remnants of fires. Specifically, ''ash'' refers to all non-aqueous, non- gaseous residues that remain after something burns. In analytical chemistry, to analyse the mineral and metal content of chemical samples, ash ...

Wych Elm ''Ulmus glabra'' Hudson, the wych elm or Scots elm, has the widest range of the European elm species, from Ireland eastwards to the Urals, and from the Arctic Circle south to the mountains of the Peloponnese and Sicily, where the species reaches ...

(southern variant) type but has been much planted with non-native species mainly Beech (''

Fagus sylvatica ''Fagus sylvatica'', the European beech or common beech is a deciduous tree belonging to the beech family Fagaceae. Description ''Fagus sylvatica'' is a large tree, capable of reaching heights of up to tall and trunk diameter, though more ...

'') and Sycamore ('' Acer pseudoplatanus'') but with some

Horse Chestnut The genus ''Aesculus'' ( or ), with species called buckeye and horse chestnut, comprises 13–19 species of flowering plants in the family Sapindaceae. They are trees and shrubs native to the temperate Northern Hemisphere, with six species ...

(''Aesculus hippocastanum'') and Cypress trees ''

Cupressus ''Cupressus'' is one of several genera of evergreen conifers within the family Cupressaceae that have the common name cypress; for the others, see cypress. It is considered a polyphyletic group. Based on genetic and morphological analysis, the ge ...

''. In the more natural areas of the wood Ash (''

Fraxinus excelsior ''Fraxinus excelsior'', known as the ash, or European ash or common ash to distinguish it from other types of ash, is a flowering plant species in the olive family Oleaceae. It is native throughout mainland Europe east to the Caucasus and Albo ...

'') is dominant with occasional

Pedunculate Oak ''Quercus robur'', commonly known as common oak, pedunculate oak, European oak or English oak, is a species of flowering plant in the beech and oak family, Fagaceae. It is a large tree, native to most of Europe west of the Caucasus. It is wid ...

(''Quercus robur'') standards. In such places the

shrub layer Stratification in the field of ecology refers to the vertical layering of a habitat; the arrangement of vegetation in layers. It classifies the layers (sing. ''stratum'', pl. ''strata'') of vegetation largely according to the different heights to w ...

is dominated by

Field Maple ''Acer campestre'', known as the field maple, is a flowering plant species in the family Sapindaceae. It is native to much of continental Europe, Britain, southwest Asia from Turkey to the Caucasus, and north Africa in the Atlas Mountains. It h ...

(''Acer campestre''), Hawthorn (''Crataegus monogyna''), Elder (''

Sambucus nigra ''Sambucus nigra'' is a species complex of flowering plants in the family Adoxaceae native to most of Europe. Common names include elder, elderberry, black elder, European elder, European elderberry, European black elderberry and tramman (Isl ...

''),

Hazel The hazel (''Corylus'') is a genus of deciduous trees and large shrubs native to the temperate Northern Hemisphere. The genus is usually placed in the birch family Betulaceae,Germplasmgobills Information Network''Corylus''Rushforth, K. (1999 ...

(''Corylus avellana'') and young Wych Elm (''

Ulmus glabra ''Ulmus glabra'' Hudson, the wych elm or Scots elm, has the widest range of the European elm species, from Ireland eastwards to the Urals, and from the Arctic Circle south to the mountains of the Peloponnese and Sicily, where the species reaches ...

''). The field layer in many areas is dominated by Ivy (''Hedera helix''), especially on the disturbed slopes. Other common ground flora includes Dog's Mercury (''Mercurialis perennis''), Bluebell (''Hyacinthoides non-scripta''), Stinking Iris (''

Iris foetidissima ''Iris foetidissima'', the stinking iris,Richard Fitter, Alastair Fitter and Marjorie Blamey gladdon, Gladwin iris, roast-beef plant, or stinking gladwin, is a species of flowering plant in the family Iridaceae, found in open woodland, hedgebank ...

''), Traveller's Joy ('' Clematis vitalba'') and Slender False Brome (''

Brachypodium sylvaticum ''Brachypodium sylvaticum'', commonly known as false-brome, slender false brome or wood false brome, is a perennial grass native to Europe, Asia and Africa. It has a broad native range stretching from North Africa to Eurasia. The bunchgr ...

'').

References

{{coord, 51.43064, N, 2.49765, W, region:GB_source:enwiki-osgb36(ST655703), display=title Sites of Special Scientific Interest in Avon South Gloucestershire District Sites of Special Scientific Interest notified in 1966 Woodland Sites of Special Scientific Interest Forests and woodlands of Gloucestershire