Prunus maackii

Amur Cherry ( Prunus maackii )

The Amur Cherry ( Prunus maackii ) is a flowering plant in the genus Prunus in the rose family ( Rosaceae ). The specific epithet honors the deutschbaltisch - Russian naturalist Richard Maack.

Dissemination and use

The Amur Cherry is native to Korea, Siberia and the Chinese provinces of Heilongjiang, Jilin, Liaoning. In China, it thrives in open forests on sunny slopes and forest edges in pine woods and along rivers at altitudes 800-2000 m.

In the temperate regions of the Amur Cherry is used as an ornamental plant in parks and gardens, wherein among other sources, on the cultivar ' Amber Beauty'.

Description

The Amur cherry grows as a tree, reaching heights of growth 4-10 meters. The bark of the branches is blackish to yellowish - brown, smooth with light lenticels; the bark of the branches is reddish and hairy initially fluffy. The egg-shaped winter buds are smooth with ciliated scales edges.

The change-constant leaves are divided into petiole and leaf blade. The 1 to 1.5 cm long petiole is usually hairy fluffy, rarely almost glabrous. At the upper end of the petiole or leaf blade there are two extra flore nectaries. The simple leaf blade is usually elliptical or rhombic- ovate, rarely oblong- verkehrteiförmig, 4-8 cm long, 2,8 to 5 cm wide. The median nerve is hairy fluffy. The leaf margin is cut unevenly and intense glandular. The lineal stipules have glandular margins.

Of grape-like inflorescence has a length of 5-7 cm and containing many flowers. The inflorescence stem is sparsely hairy fluffy. The hermaphrodite, radiärsymmetrische, fivefold flower has a diameter of 8 to 10 mm. The flower is 4 to 6 mm and grows up to fruit maturity at about 7 mm. The bell-shaped flowers cup ( hypanthium ) is hairy outside fluffy. The five sepals have a glandular- serrate margin. The five white petals are nailed short. There are 25 to 30 stamens present. The upper permanent ovary is glabrous. The style is slightly shorter than the stamens with a discus-shaped scar. The flowering period extends from April to May

The purple, smooth stone fruit is almost round with a 5-7 mm diameter. The fruits mature from June to October.

System

Prunus maackii was published in 1857 by Franz Joseph Ruprecht in the Bulletin de la Classe Physico - Mathématique de l' Academie Imperiale des Sciences de Saint- Pétersbourg, 15, p 361. Synonyms for Prunus maackii Rupr. are: Padus maackii ( Rupr. ) Komarov, Cerasus maackii ( Rupr. ) GVEremin & VSSimagin, Laurocerasus maackii ( Rupr. ) CKSchneider, Padus maackii f lanceolata TTYü & TCKu. Prunus maackii belongs to the subgenus Padus in the genus Prunus.

Swell

• Gu Cuizhi & Bruce Bartholomew: Padus in the Flora of China, Volume 9, page 422: Prunus maackii - Online.