شجيرة

ملف:Cytisus scoparius2.jpg

A broom shrub in flower.

ملف:Sheringham Park 1.JPG

A Rhododendron shrubbery in Sheringham Park.

الشجيرة (بالإنجليزية: Shrub) وتسمى أيضا (بالإنجليزية: bush) تصنف بستانيا أكثر من كونها نباتيا، بأنها من صنف النباتات الخشبية. ويفرق بينها وبين الشجر بسيقانها ذات الطبقات المتعدده و بارتفاعها، الذي لا يتجاوز 5-6 مترات (5-12 قدم).

ويمكن لعدد لابأس يه من النباتات أن يصنف كشجر أو شجيرات، معتمدا على ظروف النمو المحيطه مثل شجيرات الخزامى، العناقية و الزعتر. و الشجيرات في الحدائق تكون عادة من مغطاة البذور، وعدد قليل جدا منها من المخروطيات. وتتنوع الشجيرات ما بين النفضية و المستديمة الخضرة.

الشكل العلمي النباتي للشجيرات

In botany and ecology a shrub is more specifically used to describe the particular physical structural or plant life-form of woody plants which are less than 8 m high and usually have many stems arising at or near the base.

For example, a descriptive system widely adopted in Australia is based on structural characteristics based on life-form, plus the height and amount of foliage cover of the tallest layer or dominant species.

For shrubs 2–8 m high the following structural forms are categorized:

• dense foliage cover (70–100%) — closed-scrub
• mid-dense foliage cover (30–70%) — open-scrub
• sparse foliage cover (10–30%) — tall shrubland
• very sparse foliage cover (<10%) — tall open shrubland

For shrubs less than 2 m high the following structural forms are categorized:

• dense foliage cover (70–100%) — closed-heath
• mid-dense foliage cover (30–70%) — open-heath
• sparse foliage cover (10–30%) — low shrubland
• very sparse foliage cover (<10%) — low open shrubland

قائمة الشجيرات

Those marked * can also develop into tree form.

A Abelia (Abelia) Actinidia (Actinidia) Aloe (Aloe) Aralia (Angelica Tree, Hercules' Club) * Arctostaphylos (Bearberry, Manzanita) * Aronia (Chokeberry) Artemisia (Sagebrush) Aucuba (Aucuba) B Berberis (Barberry) Bougainvillea (Bougainvillea) Brugmansia (Angel's trumpet) Buddleja (Butterfly bush) Buxus (Box) * C Calia (Mescalbean) Callicarpa (Beautyberry) * Callistemon (Bottlebrush) * Calluna (Heather) Calycanthus (Sweetshrub) Camellia (Camellia, Tea) * Caragana (Pea-tree) * Carpenteria (Carpenteria) Caryopteris (Blue Spiraea) Cassiope (Moss-heather) Ceanothus (Ceanothus) * Celastrus (Staff vine) * Ceratostigma (Hardy Plumbago) Cercocarpus (Mountain-mahogany) * Chaenomeles (Japanese Quince) Chamaebatiaria (Fernbush) Chamaedaphne (Leatherleaf) Chimonanthus (Wintersweet) Chionanthus (Fringe-tree) * Choisya (Mexican-orange Blossom) * Cistus (Rockrose) Clerodendrum (Clerodendrum) Clethra (Summersweet, Pepperbush) * Clianthus (Glory Pea) Colletia (Colletia) Colutea (Bladder Senna) Comptonia (Sweetfern) Cornus (Dogwood) * Corylopsis (Winter-hazel) * Cotinus (Smoketree) * Cotoneaster (Cotoneaster) * Cowania (Cliffrose) Crataegus (Hawthorn) * Crinodendron (Crinodendron) * Cytisus and allied genera (Broom) * D Daboecia (Heath) Danae (Alexandrian Laurel) Daphne (Daphne) Decaisnea (Decaisnea) Dasiphora (Shrubby Cinquefoil) Dendromecon (Tree poppy) Desfontainea (Desfontainea) Deutzia (Deutzia) Diervilla (Bush Honeysuckle) Dipelta (Dipelta) Dirca (Leatherwood) Dracaena (Dragon tree) * Drimys (Winter's Bark) * Dryas (Mountain Avens) E Edgeworthia (Paper Bush) * Elaeagnus (Elaeagnus) * Embothrium (Chilean Firebush) * Empetrum (Crowberry) Enkianthus (Pagoda Bush) Ephedra (Ephedra) Epigaea (Trailing Arbutus) Erica (Heath) Eriobotrya (Loquat) * Escallonia (Escallonia) Eucryphia (Eucryphia) * Euonymus (Spindle) * Exochorda (Pearl Bush)

F Fabiana (Fabiana) Fallugia (Apache Plume) Fatsia (Fatsia) Forsythia (Forsythia) Fothergilla (Fothergilla) Franklinia (Franklinia) * Fremontodendron (Flannelbush) Fuchsia (Fuchsia) * G Garrya (Silk-tassel) * Gaultheria (Salal) Gaylussacia (Huckleberry) Genista (Broom) * Gordonia (Loblolly-bay) * Grevillea (Grevillea) Griselinia (Griselinia) * H Hakea (Hakea) * Halesia (Silverbell) * Halimium (Rockrose) Hamamelis (Witch-hazel) * Hebe (Hebe) Hedera (Ivy) Helianthemum (Rockrose) Hibiscus (Hibiscus) * Hippophae (Sea-buckthorn) * Hoheria (Lacebark) * Holodiscus (Creambush) Hudsonia (Hudsonia) Hydrangea (Hydrangea) Hypericum (Rose of Sharon) Hyssopus (Hyssop) Haithisus(Zacassholissus)* I Ilex (Holly) * Illicium (Star Anise) * Indigofera (Indigo) Itea (Sweetspire) J Jamesia (Cliffbush) Jasminum (Jasmine) Juniperus (Juniper) * K Kalmia (Mountain-laurel) Kerria (Kerria) Kolkwitzia (Beauty-bush) L Lagerstroemia (Crape-myrtle) * Lapageria (Copihue) Lantana (Lantana) Lavandula (Lavender) Lavatera (Tree Mallow) Ledum (Ledum) Leitneria (Corkwood) * Lespedeza (Bush Clover) * Leptospermum (Manuka) * Leucothoe (Doghobble) Leycesteria (Leycesteria) Ligustrum (Privet) * Lindera (Spicebush) * Linnaea (Twinflower) Lonicera (Honeysuckle) Lupinus (Tree Lupin) Lycium (Boxthorn) M Magnolia (Magnolia) Mahonia (Mahonia) Malpighia (Acerola) Menispermum (Moonseed) Menziesia (Menziesia) Mespilus (Medlar) * Microcachrys (Microcachrys) Myrica (Bayberry) * Myricaria (Myricaria) Myrtus and allied genera (Myrtle) * N Neillia (Neillia) Nerium (Oleander) O Olearia (Daisy Bush) * Osmanthus (Osmanthus)

P Pachysendra (Pachysandra) Paeonia (Tree-peony) Perovskia (Russian Sage) Philadelphus (Mock-orange) * Phlomis (Jerusalem Sage) Photinia (Photinia) * Physocarpus (Ninebark) * Pieris (Pieris) Pistacia (Pistachio, Mastic) * Pittosporum (Pittosporum) * Plumbago (Leadwort) Polygala (Milkwort) Poncirus * Prunus (Cherry) * Purshia (Antelope Bush) Pyracantha (Firethorn) Q Quassia (Quassia) * Quercus| (Oak) * Quillaja (Quillay) Quintinia (Tawheowheo) * R Rhamnus (Buckthorn) * Rhododendron (Rhododendron, Azalea) * Rhus (Sumac) * Ribes (Currant) Romneya (Tree poppy) Rosa (Rose) Rosmarinus (Rosemary) Rubus (Bramble) Ruta (Rue) S Sabia * Salix (Willow) * Salvia (Sage) Sambucus (Elder) * Santolina (Lavender Cotton) Sapindus (Soapberry) * Senecio (Senecio) Simmondsia (Jojoba) Skimmia (Skimmia) Smilax (Smilax) Sophora (Kowhai) * Sorbaria (Sorbaria) Spartium (Spanish Broom) Spiraea (Spiraea) * Staphylea (Bladdernut) * Stephanandra (Stephanandra) Styrax * Symphoricarpos (Snowberry) Syringa (Lilac) * T Tamarix (Tamarix) * Taxus (Yew) * Telopea (Waratah) * Thuja cvs. (Arborvitae) * Thymelaea Thymus (Thyme) Trochodendron * U Ulex (Gorse) Ungnadia (Mexican Buckeye) V Vaccinium (Bilberry, Blueberry, Cranberry) Verbena (Vervain) Viburnum (Viburnum) * Vinca (Periwinkle) Viscum (Mistletoe) W Weigela (Weigela) X Xanthoceras Xanthorhiza (Yellowroot) Xylosma Y Yucca (Yucca, Joshua tree) * Z Zanthoxylum * Zauschneria Zenobia Ziziphus *

انظر أيضا

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