Rose primrose
| Rose primrose | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
Rose primrose ( Primula rosea ) |
||||||||||||
| Systematics | ||||||||||||
|
||||||||||||
| Scientific name | ||||||||||||
| Primula rosea | ||||||||||||
| Royle |
The Primula rosea or swamp Primrose ( Primula rosea ) is a flowering plant in the family of the Primrose family (Primulaceae). It is native to the Indian subcontinent and is used as an ornamental plant.
description
The rose primrose grows as a deciduous, perennial herbaceous plant . Arranged in undergraduate rosette leaves sometimes appear only after flowering. The simple, bright green leaf blade is elongated-ovate with a length of 15 to 20 centimeters with notched or serrated leaf margin.
The inflorescence shaft is strong and 10 to 20 centimeters high. Four to twelve flowers are grouped together in a golden inflorescence . The hermaphrodite flower is radially symmetrical and five-fold with a double flower envelope . The five crimson petals are fused into a corolla tube with a yellow sap mark .
The number of chromosomes is 2n = 22.
distribution
The rose primrose comes from the Indian subcontinent in northern Pakistan , India: Kashmir , Himachal Pradesh and Jammu as well as Afghanistan . It thrives on the banks of streams or ponds on marshy soil .
Systematics
The first description of Primula rosea was made in 1836 by John Forbes Royle in Illustrations of the Botany ... of the Himalayan Mountains ... , p 311, Table 75, Figure 1. A homonym is Primula rosea hort. ex pax . Primula rosea belongs to the section Oreophlomis in the subgenus Aleuritia within the genus Primula .
There are at least two varieties of Primula rosea :
- Primula rosea Royle var. Rosea
- Primula rosea var. Elegans (Duby) Hook. f. ( Syn .: Primula elegans Duby ): It occurs in Jammu and Kashmir.
use
The rose primrose is used as an ornamental plant in gardens. Some varieties are 'Gigas' (= 'Wasseme's Riesen'), 'Grandiflora' and 'Mica Vissmer de Geer' (= 'Delight'). Crosses with Primula clarkei and Primula warshenewskiana resulted in robust, large-flowered varieties like 'Johanna'.
literature
- Gordon Cheers (Ed.): Botanica: The ABC of Plants. 10,000 species in text and images , Tandem Verlag, 2003, ISBN 3-8331-1600-5 : Rose primrose ( Primula rosea ) on p. 704.
- Hans Simon, Leo Jelitto, Wilhelm Schacht: Die Freiland-Schmuckstauden , 5th edition, Eugen Ulmer, Stuttgart 2002, p. 769, ISBN 3-8001-3265-6
Individual evidence
- ↑ Primula rosea at Tropicos.org. In: IPCN Chromosome Reports . Missouri Botanical Garden, St. Louis
- ↑ a b c Primula rosea in the Germplasm Resources Information Network (GRIN), USDA , ARS , National Genetic Resources Program. National Germplasm Resources Laboratory, Beltsville, Maryland.
- ↑ Primula rosea at Tropicos.org. Missouri Botanical Garden, St. Louis
