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НазваRose (реферат)
Авторdimich
РозділІноземна мова, реферати англійською, німецькою
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Реферат на тему:

 

R O S E

 

 

Rosa arvensis (Field Rose)

 

A rose is a flowering HYPERLINK "http://en.wikipedia.org/wiki/Shrub"

\o "Shrub" shrub of the HYPERLINK

"http://en.wikipedia.org/wiki/Genus" \o "Genus" genus Rosa and the

HYPERLINK "http://en.wikipedia.org/wiki/Flower" \o "Flower" flower of

this shrub. There are more than a hundred HYPERLINK

"http://en.wikipedia.org/wiki/Species" \o "Species" species of wild

roses, all from the HYPERLINK

"http://en.wikipedia.org/wiki/Northern_hemisphere" \o "Northern

hemisphere" northern hemisphere and mostly from temperate regions. The

species form a group of generally thorny HYPERLINK

"http://en.wikipedia.org/wiki/Shrub" \o "Shrub" shrubs or HYPERLINK

"http://en.wikipedia.org/wiki/Liana" \o "Liana" climbers , and

sometimes trailing plants, reaching 2-5 m tall, rarely reaching as high

as 20 m by climbing over other plants.

 

The HYPERLINK "http://en.wikipedia.org/wiki/Leaf" \o "Leaf" leaves

of most species are 5-15 cm long, pinnate, with (3-) 5-9 (-13) leaflets

and basal stipules; the leaflets usually have a serrated margin, and

often a few small thorns on the underside of the stem. The vast majority

of roses are HYPERLINK "http://en.wikipedia.org/wiki/Deciduous" \o

"Deciduous" deciduous , but a few (particularly in southeast

HYPERLINK "http://en.wikipedia.org/wiki/Asia" \o "Asia" Asia ) are

HYPERLINK "http://en.wikipedia.org/wiki/Evergreen" \o "Evergreen"

evergreen or nearly so.

 

The HYPERLINK "http://en.wikipedia.org/wiki/Flower" \o "Flower"

flowers have five petals (with the exception of HYPERLINK

"http://en.wikipedia.org/w/index.php?title=Rosa_sericea&action=edit" \o

"Rosa sericea" Rosa sericea which often has only four), usually white

or pink, in a few species yellow or red. The ovary is inferior,

developing below the petals and sepals.

 

The HYPERLINK "http://en.wikipedia.org/wiki/Fruit" \o "Fruit" fruit

of the rose is a berry-like structure called a HYPERLINK

"http://en.wikipedia.org/wiki/Rose_hip" \o "Rose hip" rose hip . The

hips of most species are red, but a few (e.g. Rosa pimpinellifolia) have

dark purple to black hips. Each hip comprises an outer fleshy layer, and

inside containing 5-25 HYPERLINK "http://en.wikipedia.org/wiki/Seed"

\o "Seed" seeds (technically HYPERLINK

"http://en.wikipedia.org/wiki/Achene" \o "Achene" achenes ) embedded in

a matrix of fine, but stiff, hairs. Rose hips of some species,

especially the HYPERLINK "http://en.wikipedia.org/wiki/Dog_Rose" \o

"Dog Rose" Dog Rose (Rosa canina) and HYPERLINK

"http://en.wikipedia.org/wiki/Rugosa_Rose" \o "Rugosa Rose" Rugosa Rose

(Rosa rugosa), are very rich in HYPERLINK

"http://en.wikipedia.org/wiki/Vitamin_C" \o "Vitamin C" vitamin C ,

among the richest sources of any plant. The hips are eaten by

fruit-eating HYPERLINK "http://en.wikipedia.org/wiki/Bird" \o "Bird"

birds such as HYPERLINK

"http://en.wikipedia.org/wiki/Thrush_%28bird%29" \o "Thrush (bird)"

thrushes and HYPERLINK "http://en.wikipedia.org/wiki/Waxwing" \o

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