Rosa sweginzowii Koehne

Sweginzow's rose (en)

Species

Angiosperms > Rosales > Rosaceae > Rosa

Characteristics

Shrubs 3–5 m tall. Branchlets terete, glabrous or sparsely puberulous, prickly; prickles paired below leaves, sometimes scattered, straight or slightly curved, to 1.5 cm, stout, flat, gradually tapering to broad base, sometimes intermixed with smaller prickles and bristles, old branches sometimes intermixed with bristles. Leaves including petiole 6–11 cm; stipules mostly adnate to petiole, free parts ovate-lanceolate, margin glandular serrate, apex acuminate; rachis and petiole pubescent, glandular-pubescent, sparsely shortly prickly; leaflets 7–11, elliptic or ovate-oblong, 2–5 × 0.8–2 cm, abaxially pubescent or glandular, with prominent midvein and lateral veins, adaxially glabrous, base subrounded or broadly cuneate, margin doubly serrate, apex acute, rarely rounded-obtuse. Flowers solitary, or 2 or 3 and fasciculate, 3–5 cm in diam.; pedicel 1.5–3 cm; bracts 1 or 2, ovate-lanceolate, abaxially with distinct midvein, margin glandular serrate, sometimes pinnately lobed, apex caudate. Hypanthium oblong or obovoid, often stipitate glandular. Sepals 5, ovate-lanceolate, leaflike, abaxially subglabrous, stipitate glandular or not, adaxially puberulous, margin sometimes pinnately lobed. Petals 5, pink, broadly obovate, base broadly cuneate, apex emarginate. Styles free, much shorter than stamens, densely pubescent. Hip purple-red, oblong or obovoid-oblong, 1.5–2.5 × 1–1.7 cm, with a short neck at apex, often glandular hirsute, with persistent, erect sepals. Fl. Jun–Jul, fr. Aug–Nov.
More
An upright shrub. It grows 3.5 m high and spreads 4.5 m wide. It has a spreading habit. The stems are red and have bristles and large thorns. The leaves are light green. They have teeth around the edge. The flowers are deep pink and in small clusters. The fruit are bottle shaped, orange-red hips.
Life form perennial
Growth form shrub
Growth support -
Foliage retention deciduous
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) 3.5 - 4.25
Mature height (meter) 3.0 - 4.0
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 temperate plant. In central and southern China it grows between 2,300-3,800 m above sea level. Melbourne Botanical gardens. It suits hardiness zones 6-10. In Sichuan and Yunnan. Arboretum Tasmania.
Light 5-9
Soil humidity 3-6
Soil texture 2-5
Soil acidity 3-8
Soil nutriment -
Hardiness (USDA) 6-8

Usage

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

Cultivation

Can be grown by cuttings.
Mode cuttings
Germination duration (days) 30 - 365
Germination temperacture (C°) 12
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -23
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Images

Rosa sweginzowii unspecified picture

Distribution

Rosa sweginzowii world distribution map, present in China

Identifiers

LSID urn:lsid:ipni.org:names:734445-1
WFO ID wfo-0000983409
COL ID 798F8
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR) Link

Synonyms

Rosa sweginzowii Rosa sweginzowii var. sweginzowii