'R. rouletii' Rose

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'R. rouletii' rose Description

My HMF:

Photo courtesy of Lili Rose

Availability:

Commercially available

Synonyms:

• Dwarf Pink China
• Rosa chinensis minima
• Rosa rouletii Correvon
• Rouletii

HMF Ratings:

80 favorite votes.
Average rating: GOOD+.

ARS:

Red blend Miniature.
Exhibition name: Rouletii

Origin:

Bred by Unknown Chinese Breeder(s) (China, before 1801).
Discovered by Colonel Roulet (Switzerland, circa 1917).
Introduced in Australia by Hazlewood Bros. Pty. Ltd. as 'R. rouletii'.
Introduced in Switzerland by Établissement horticole in 1920 as 'Rouletii'.
Introduced in France by Grandes Roseraies du Val de la Loire in 1925 as 'Rouletii'.

Class:

China / Bengale, Lawranceana, Miniature.

Bloom:

Carmine-pink, ages to light pink . Flowers white, pink or red. Mild fragrance. Average diameter 1.5". Small, very full (41+ petals), flat bloom form. Blooms in flushes throughout the season.

Habit:

Small foliage.

Height: 2' (60cm).

Growing:

USDA zone 7b through 10b. Remove old canes and dead or diseased wood..

Patents:

Patent status unknown (to HelpMeFind).

Ploidy:

Diploid

Parentage:

Unknown

Notes:

See References for speculation about parentage, including that 'Rouletii' is a sport of 'Pumila' and distinctions between the two. Recent genetic analysis has shown that 'Rouletii' is genetically identical to 'Old Blush', i.e. it is a direct or indirect sport of 'Old Blush'.- see References.