Rosa × odorata

Rosa × odorata or Rosa odorata is a member of the genus Rosa native to Yunnan in Southwest China, whose taxonomy has been confused. It has been considered to be hybrid between Rosa gigantea and Rosa chinensis, or as a quite rare wild species that includes R. gigantea. The wild forms are cultivated to some extent.[2] Cultivars were developed in China in ancient times from R. chinensis crosses, and these have been important in the ancestry of the tea-scented China roses, also called tea roses, and their descendants the hybrid tea roses.

Rosa × odorata
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Rosales
Family: Rosaceae
Genus: Rosa
Species:
R. × odorata
Binomial name
Rosa × odorata
(Andrews) Sweet
Synonyms[1]
  • Rosa gechouitangensis H.Lév.
  • Rosa odoratissima Sweet ex Lindl.
  • Rosa oulengensis H.Lév.
  • Rosa pseudindica Lindl.
  • Rosa pseudoindica Lindl. [Spelling variant]
  • Rosa thea Savi
  • Rosa tongtchouanensis H.Lév.

Varieties

Four varieties of the species are recognized in the Flora of China:[2]

  • R. odorata var. odorata, with white or pink-and-white petals
  • R. odorata var. gigantea, see Rosa gigantea, with white petals
  • R. odorata var. pseudoindica, with yellow or orange petals
  • R. odorata var. erubescens, with pale pink petals

Cultivars
Cv. ’Mutabilis’

The cultivar R. odorata 'Mutabilis' is widely cultivated, and is notable for the fact that the blooms change colour from yellow to pink. Growing to 1.5 m (4.9 ft) tall and broad, it is a lax, thornless shrub. It prefers an open position in full sun. This cultivar has gained the Royal Horticultural Society's Award of Garden Merit.[3]

Other cultivar names include 'Bengal Crimson'[4][5] and 'Bengal Beauty.[6][7]

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References
  1. "The Plant List: A Working List of All Plant Species". Retrieved 30 December 2014.
  2. Flora of China: Rosa odorata
  3. "Rosa × odorata 'Mutabilis' (Ch)". Royal Horticultural Society. 2017. Retrieved 2017-01-15.
  4. https://www.trevorwhiteroses.co.uk/shop/china-roses/bengal-crimson/
  5. https://www.thebotanicnursery.co.uk/search.php?srch=Rosa
  6. https://www.shootgardening.co.uk/plant/rosa-x-odorata-sanquinea-group
  7. https://the3growbags.com/great-plants-this-month/winter/rosa-x-odorata-bengal-crimson-agm/


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