Salix integra

Salix integra is a species of the genus of willow ( Salix). It is native to East Asia. As Harlequin pasture is the variegated cultivar ' Hakuro Nishiki ' known.

Features

Salix integra is a shrub that reaches the stature heights of up to three meters. The branches are bare, first yellowish or reddish, older drives have a gray - green bark. The oval, front tapered buds are also colored bare and yellowish brown. The leaves are - unusual for pastures - almost opposite, opposite or in threes in whorls. The leaves are elliptic to oblong, two to five inches long, one to two centimeters wide. They are very short- petiolate to nearly sessile, the leaf base is rounded to slightly retracted and the shoot comprising the leaf ends in a short, pockets on top. The leaf margin is entire or finely serrated at the front of the sheet. The mean leaf vein is brown, hairy when young leaves.

The flowers are borne in catkins that appear in May before the leaves appear. Below are some of the inflorescence leaves. The bracts are brown to almost black and almost always hairy. The male flowers have two grown together stamens, the anthers are red. The female flowers have a long oval, hairy ovary with a short style and red, two-to four-part scar. There arise hairy, two to three millimeters in size capsule fruits that ripen in June.

Dissemination

Salix integra is widespread in East Asia: in northern China, Japan, Korea and Russia ( Primorsky Krai ). It grows in streams and in wet meadows.

Systematics and botanical history

Salix integra was described in 1784 by Carl Peter Thunberg in a publication Johan Andreas Murray. It was viewed variously as a variety or subspecies of the purple willow ( Salix purpurea): Salix purpurea var subsp multinervis ( Franchet & Savatier ) Matsumura, Salix purpurea. amplexicaulis ( Chaubard ) C.K.Schneid.

Use

The variety ' Hakuro Nishiki ' with pink and white variegated leaves is used as ornamental tree and is known under the name " Harlequin pasture ". It is usually grafted onto a different willow species and sold as a phylum. This variety was introduced in 1979 by Harry van de Laar from Japan.