Rosa sericea

Rosa sericea, the silky rose,[1] is a species of Rosa.

Rosa sericea
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Rosales
Family: Rosaceae
Genus: Rosa
Species:
R. sericea
Binomial name
Rosa sericea

The closely related Rosa omeiensis is sometimes treated as a subspecies of R. sericea.

Distribution

It is native to southwestern China (Guizhou, Sichuan, Xizang, Yunnan), Bhutan, northern India (Sikkim), Nepal and Myanmar; it grows in mountains at altitudes of 2,000–4,400 m (6,600–14,400 feet).

Description

It is a shrub growing 2 m (6 1⁄2 feet) tall and is often very spiny. The leaves are deciduous, 4–8 cm (1 5⁄8–3 1⁄8 inches) long, with 7–11 leaflets with a serrated margin. The flowers are 2.5–5 cm (1–2 inches) diameter, white, with (unusually for a rose) only four petals. The hips are red, 8–15 mm (5⁄16–19⁄32 inch) diameter, with persistent sepals, and often bristly.

Forms

There are four formae:

  • Rosa sericea f. sericea
  • Rosa sericea f. glandulosa T.T.Yü & T.C.Ku.
  • Rosa sericea f. glabrescens Franchet.
  • Rosa sericea f. pteracantha Franchet.

Cultivation and uses

Rosa sericea f. pteracantha is grown as an ornamental plant for its large, bright red thorns.

  • A shrub of Rosa sericea f. pteracantha
  • Winged thorn rose detail

References
  1. "BSBI List 2007". Botanical Society of Britain and Ireland. Archived from the original (xls) on 2015-01-25. Retrieved 2014-10-17.


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