'R. hirtula' Rose

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'R. hirtula' rose Description

My HMF:

'<i>Rosa hirtula</i> (Regel) Nakai' rose photo

Photo courtesy of David Elliott

Availability:

Commercially available

Synonyms:

• Rosa hirtula (Regel) Nakai
• R. roxburghii hirtula
• Rosa roxburghii var. hirtula Rehder & E.H.Wilson synonym
• Sansho-Bara
• Sansho-ibara

HMF Ratings:

40 favorite votes.

ARS:

Medium pink Species.
Exhibition name: R. roxburghii hirtula

Class:

Species / Wild.

Bloom:

Light pink. Medium, single (4-8 petals) bloom form.

Habit:

Bushy, spreading, well-branched. Semi-glossy foliage. 13 to 15 leaflets.

Height: 4'11" to 16'5" (150 to 500cm). Width: up to 8'2" (up to 250cm).

Growing:

USDA zone 6b through 11.

Patents:

Patent status unknown (to HelpMeFind).

Ploidy:

Diploid

Parentage:

If you know the parentage of this rose, or other details, please contact us.

Notes:

Label translated by Dr. Yuki Mikanagi as Rosa hirtula (Regel) Nakai. (1920)
A spreading bush with simple flowers and thorny stems. Native to Japan and formerly considered a regional variety of Rosa roxburghii
R. roxburghii f. hirtula differs from f. normalis by its pubescent foliage. The latter's foliage is smooth.