Rosa hugonis
| Rosa hugonis | ||||||||||||
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Rosa hugonis |
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| Rosa hugonis | ||||||||||||
| Hemsl. |
Pink hugonis even Chinese gold Rose called, is a plant of the genus roses ( Rosa ) within the family of the rose family (Rosaceae).
Description and phenology
Rosa hugonis grows as an upright shrub that reaches heights of about 2 meters. The overhanging, brown shoot axes are heavily covered with spines and bristles. The alternate leaves are unpaired pinnate and consist of up to 13 small, elliptical leaflets .
The relatively early flowering time of Rosa hugonis is in May. The flowers are single. The hermaphroditic flowers are about 4 centimeters in diameter and are radially symmetrical and five-fold with a double flower envelope . The five petals are bright yellow. In late summer she wears small, dark red to black rose hips .
Taxonomy
This species was discovered by Father Hugh Scallan in the Chinese province of Shaanxi in 1899 . The first description of Rosa hugonis was in 1905 by the English botanist William Botting Hemsley . A synonym for Rosa Hugonis Hemsl. is Rosa xanthina Lindl. forma hugonis (Hemsl.) AVRoberts .
Culture conditions
The wild rose Rosa hugonis is hardy to −29 ° C ( USDA zone 5 ) and also thrives in poor soils .
Occasionally, branches die off completely, as the Chinese gold rose is somewhat susceptible to valsa disease (infestation with the tubular fungus Valsaria insitiva ).
literature
- Agnes Pahler: Roses: the great encyclopedia; [with 2000 varieties] . Dorling Kindersley, Starnberg 2004, ISBN 3-8310-0590-7 , p. 195.
- Gu Cuizhi, Kenneth R. Robertson: Rosa. : Rosa hugonis , p. 352 - the same text online as the printed work , In: Wu Zheng-yi & Peter H. Raven (Eds.): Flora of China , Volume 9 - Pittosporaceae through Connaraceae , Science Press and Missouri Botanical Garden Press, Beijing and St. Louis, 2003. ISBN 1-930723-14-8
Web links
- World of roses
- Description of Rosa hugonis at the Dresden Rosengarten
- Rosa hugonis in the Germplasm Resources Information Network (GRIN), USDA , ARS , National Genetic Resources Program. National Germplasm Resources Laboratory, Beltsville, Maryland.
Individual evidence
- ^ Valsa disease in the green lexicon Hortipendium