Rosa oxyacantha M.Bieb.

Species

Angiosperms > Rosales > Rosaceae > Rosa

Characteristics

Shrubs small, 1–2 m tall. Branchlets red-brown, glabrous; prickles numerous, yellowish, straight, unequally long and thick, abruptly tapering to broadened base. Leaves including petiole 4–9 cm; stipules mostly adnate to petiole, free parts lanceolate, margin entire, glandular-pubescent, apex acute; rachis and petiole sparsely shortly prickly, glandular-pubescent; leaflets 7–9, oblong or elliptic, 1.5–2.5 × 0.8–1.7 cm, glabrous, abaxially with prominent veins, base subrounded or broadly cuneate, margin doubly serrate, apex acute or rounded-obtuse. Flowers solitary, rarely 2 or 3 and fasciculate, 2.5–3 cm in diam.; pedicel 1.5–2 cm, glabrous or glandular-pubescent; bracts ovate, margin glandular-pubescent, apex long caudate. Hypanthium ovoid or oblong, glabrous or sparsely stipitate glandular. Sepals 5, lanceolate, leaflike, abaxially densely glandular-pubescent, adaxially densely pubescent, margin entire. Petals 5, pink, obovate, base broadly cuneate, apex emarginate. Styles shorter than stamens, pubescent. Hip bright-red, oblong or ovoid, 1–1.5 cm in diam., glabrous or sparsely stipitate glandular, with persistent, erect sepals. Fl. Jun–Jul, fr. Jul–Sep.
More
A low shrub. The branches are widely spreading. The thorns are thin and needle shaped. The leaves are compound with 9 leaflets. They are pale green underneath. The flowers are pale pink. They are 3 cm across. They occur singly. The fruit are fleshy and bright red.
Life form perennial
Growth form shrub
Growth support -
Foliage retention deciduous
Sexuality -
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 1.0 - 2.0
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color -
Fruiting months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Nitrogen fixer -
Photosynthetic pathway -

Environment

It is a cold temperate plant. In Kazakhstan it grows near stone mounds on mountain slopes. It can grow in fairly dry locations. In China it grows in scrub between 1,100-1,400 m above sea level.
Light -
Soil humidity -
Soil texture 7-8
Soil acidity -
Soil nutriment -
Hardiness (USDA) 5-10

Usage

Uses -
Edible fruits
Therapeutic use -
Human toxicity -
Animal toxicity -

Cultivation

Mode -
Germination duration (days) 30 - 365
Germination temperacture (C°) 12
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Distribution

Rosa oxyacantha world distribution map, present in China, Kazakhstan, Liberia, and Mongolia

Identifiers

LSID -
WFO ID wfo-0000984869
COL ID 4TDR5
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Rosa oxyacantha Rosa pimpinellifolia var. subalpina