Rosa acicularis subsp. sayi

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Rosa acicularis subsp. sayi (Schwein.) W.H.Lewis

Rosaceae

Life form: shrub

Exposure: sun - Exposure: half shade   2

Moisture: dry bis Moisture: moderately moist

Soil: sandy loam - Soil: gritty loam

Arrangement: alternate
Leaves: decidious

Shape: elliptic

Division: imparipinnate

Shape: five-stellate
Fruit: hip

63D / e981ab 

Inflorescence: solitary

Petals: not specified
Habit: not specified

Growth form: not specified

Taxonomy

Divisio:
Magnoliophyta
Subdivisio:
Magnoliophytina
Classis:
Rosopsida
Subclassis:
Rosidae
Superordo:
Rosanae
Ordo:
Rosales

Rosa acicularis subsp. sayi is a shrub.

Naming

Rosa acicularis subsp. sayi was already described and the name validly published by Lewis David von Schweinitz. It was Walter Hepworth Lewis, however, who reclassified it into todays valid botanical systematics in 1959.

Taxonomy

Rosa acicularis subsp. sayi is a subspecies in the genus Rosa which contains approximately 180 to 623 species and belongs to the family of the Rosaceae (Rose Family).

Characteristics

Growth

The shrubs reach heights of 1 to 3 metres.

Wood and Bark

Leaves

Rosa acicularis subsp. sayi is deciduous. The imparipinnate leaves are alternate. The elliptic leaflets are serrate and petiolate.

Flowers and Fruits

Rosa acicularis subsp. sayi produces solitary pink five-stellate flowers from June to July.

The shrubs produce red hips in summer.

Root System

Distribution

Cultivation

The shrubs prefer a sunny to half-shady situation on dry to moderately moist soil. The substrate should be sandy-loamy or gritty-loamy soil. They tolerate temperatures down to -45°C (USDA zone 2).

Uses

Maintenance and Propagation

Cultivars

Pests and Diseases

Literature

  • Walter Erhardt, Erich Götz, Nils Bödeker, Siegmund Seybold: Der große Zander. Eugen Ulmer KG, Stuttgart 2008, ISBN 978-3-8001-5406-7. (Ger.)
  • Christoper Brickell (Editor-in-chief): RHS A-Z Encyclopedia of Garden Plants. Third edition. Dorling Kindersley, London 2003, ISBN 0-7513-3738-2.

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