Characteristics of Japanese Rose Tree (Rosa multiflora) in the Wild

Rosa multiflora
Japanese rose or Multiflora rose (Rosa multiflora) is a species of rose native to East Asia, including China, Japan, and Korea. This plant is also known by other names such as Baby rose, Many-flowered rose, Seven-sisters rose, Eijitsu rose, and Rambler rose.

Not to be confused with Rosa rugosa, also known as the “Japanese Rose”, or with Rosa polyantha which is a garden cultivar derived from the hybrid Rosa multiflora.

The Japanese rose is often grown as an ornamental plant and is also used as a rootstock for ornamental rose cultivars.

In eastern North America, the Japanese rose is considered an invasive species. This plant was originally introduced from Asia as a soil conservation measure, hedge plant, and soil barrier.

The Japanese rose is easily distinguished from the Native American rose by its large inflorescences, which produce many flowers and branches, whereas the Native American species have only one or a few on the branches.

In grazing areas, the Japanese rose is considered a serious pest, although as excellent fodder for goats.

 

Characteristics of Japanese Rose Leaf

Rosa multiflora Leaf
Source: inaturalist.org/sea-kangaroo

Leaves 5-10 cm long, compound, with 5-9 leaflets and hairy stipules.

 

Characteristics of Japanese Rose Flower

Rosa multiflora Flower
Source: inaturalist.org/emilycrimmins

The flowers are produced in large numbers of corymbs, each 1.5-4 cm in diameter, white or pink, appearing in early summer.
 

Rosa multiflora Fruit
Source: inaturalist.org/bouteloua

Characteristics of Japanese Rose Tree

Rosa multiflora Tree
Source: inaturalist.org/acrawford48

Japanese rose grows as a shrub that climbs other plants to a height of 3-5 meters. The stems are sturdy, sharp thorns on young branches and absent on old branches.

This tree is very easy to grow anywhere and has a fairly long life. Several bonsai artists have used this tree as a
bonsai.

 

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