Rosa rugosa Thunb.

Species: Rosa rugosa Thunb., Genus: Rosa, Family: Rosaceae, Group: Angiosperms

(Rosa rugosa Thunb.)

-> Genus: Rosa -> Family: Rosaceae -> Group: Angiosperms

Habitus

it is a densely branched shrub 1 - 2 m high, branches are straight, densely thorny
thorns are of epidermal origin, they are of different lengths and have different consistencies (from relatively soft, almost bristle-like, to firm, sharply pointed)

Rosa rugosa (Rugosa rose, Japanese rose)

Rosa rugosa (Rugosa rose, Japanese rose) - thorns on the branches are of different lengths and consistencies

Shoots

annual shoots are thick, straight and densely thorny when young

Rosa rugosa (Rugosa rose, Japanese rose) - annual shoot

Leaves (assimilation organs)

the leaves are oddly pinnately compound, 10 – 20 cm long, composed of 4 – 8 pairs of leaflets
the individual leaves are broadly elliptic to ovate, shortly pointed, serrate along the margin, almost sessile
the upper side is dark green, shiny, the veins are strongly impressed (wrinkled)
the lower side is grey-green, dull, tomentose, the veins are prominent

Flowers

it is a monosexual shrub, flowers are bisexual, purple-red, rarely white
it is flowering in VI – VII

Fruits – seeds

the fruit is a drupe – rose hip
the rose hips are 2.5 - 3.5 cm large, apple-shaped, shiny red with the rest of the calyx
it ripens in October

Extension

it is originally widespread in the Far East, northern China to Japan
in Slovakia, it occurs only as a cultivated species
it was introduced to Europe in 1845

Ecology

it is frost-resistant
it tolerates urban environments well

Significance

it is decorative with large flowers and fruits, thorny branches in winter
it is fruit-bearing - fruits contain a lot of vitamin "C"

Rosa rugosa (Rugosa rose, Japanese rose) - a shrub decorative with flowers and fruits

Rosa rugosa (Rugosa rose, Japanese rose) - shrub with decorative flowers

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