Rosa glauca Pourr.

Rosier des Vosges (fr), Rosier glauque (fr), Rosier à feuilles rouges (fr), Rosier ferrugineux (fr)

Species

Angiosperms > Rosales > Rosaceae > Rosa

Characteristics

Shrubs, erect and tall. Stems ± flexuous, erect, to 20 dm, sparsely branched, ?distal branches and leaves glaucous, with purplish bloom?; bark becoming red-brown, glabrous; infrastipular prickles absent, internodal prickles sparse or absent, aciculi absent or erect, curved, or declined, subulate, 2–5 × 1.5–4.5 mm, base mostly broad, eglandular. Leaves 6–10.5 cm; stipules 13–16 × 1.5–2 mm, auricles flared, 2.5–5 mm, margins entire, eglandular or sparsely gland-fringed, surfaces glabrous, eglandular; petiole and rachis usually with pricklets, glabrous, eglandular; leaflets 5–7(–9), terminal: petiolule 10–20 mm, blade narrowly elliptic to ovate, 20–45 × 15–25 mm, leathery, base cuneate, sometimes rounded, margins 1-serrate, ?eglandular or few gland-tipped?, teeth 12–18 per side, eglandular, apex acute, abaxial surfaces pale green, sometimes dull red, glaucous, glabrous, eglandular, adaxial green-red or purplish, glaucous, dull, glabrous. Inflorescences corymbs, rarely panicles, 1–5-flowered. Pedicels erect, slender, (10–)15–25 mm, glabrous, stipitate-glandular; bracts 1 or 2, narrowly ovate-lanceolate, 8–23 × 3–6 mm, margins entire, eglandular, surfaces glabrous, eglandular. Flowers 2–3 cm diam.; hypanthium narrowly ovoid, 5.5–7 × 3.5–5.5 mm, glabrous, eglandular, neck ?purplish?, absent or 1 × 2 mm; sepals spreading, lanceolate, 15–25 × 1.5–2 mm, tip 10–15 × 1 mm, margins entire, sometimes pinnatifid, abaxial surfaces glabrous, mostly stipitate-glandular; petals single, deep pink to crimson-red, sometimes white basally, 8–14 × 5–6 mm; carpels 30–32, styles exsert 1–2 mm beyond stylar orifice (1.5–2 mm diam.) of hypanthial disc (3 mm diam.). Hips dark brownish red to crimson red, globose, ovoid, or obovoid, 10–13 × 9–11 mm, fleshy, glabrous, eglandular, neck absent; sepals deciduous as hips mature, erect to spreading. Achenes basiparietal, 15–23, light tan to tan, 4–4.5 × 2.5–3 mm. 2n = 28.
More
A shrub. It grows 1.5-2.2 m high and spreading 1.2-1.8 m wide. The stems arch over. The are purple red when young. The leaves are cool purple-blue. The flowers are pink and like stars. They occur in clusters. The fruit are hips which are red and occur in clusters.
Life form perennial
Growth form shrub
Growth support free-standing
Foliage retention deciduous
Sexuality hermaphrodite
Pollination entomogamy
Spread -
Mature width (meter) 1.5 - 2.5
Mature height (meter) 1.5 - 2.5
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway c3

Environment

Mountains. Roadsides, wastelands, neglected areas; at elevations up to 2,000 metres.
More
Plants are frost hardy. It suits hardiness zones 3-10.
Light 6-9
Soil humidity 3-6
Soil texture 2-5
Soil acidity 2-8
Soil nutriment -
Hardiness (USDA) 6-8

Usage

The fruit are eaten fresh and used for drinks.
Uses medicinal
Edible fruits seeds
Therapeutic use -
Human toxicity -
Animal toxicity -

Cultivation

Can be grown by cuttings or seedlings. Seeds needs scarification.
Mode cuttings seedlings
Germination duration (days) 30 - 365
Germination temperacture (C°) 12
Germination luminosity -
Germination treatment scarification
Minimum temperature (C°) -24
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Images

Leaf

Rosa glauca leaf picture by Aaron Lewis (cc-by-sa)
Rosa glauca leaf picture by Irina Peremota (cc-by-sa)
Rosa glauca leaf picture by Irina Peremota (cc-by-sa)

Flower

Rosa glauca flower picture by Milka Ristolainen (cc-by-sa)
Rosa glauca flower picture by Bernd Bouillon (cc-by-sa)
Rosa glauca flower picture by Bérold Costa (cc-by-sa)

Fruit

Rosa glauca fruit picture by Bérold Costa (cc-by-sa)
Rosa glauca fruit picture by Matt P. Walser (cc-by-sa)
Rosa glauca fruit picture by OutSa (cc-by-sa)

Distribution

Rosa glauca world distribution map, present in Albania, Andorra, Austria, Bulgaria, Bosnia and Herzegovina, Belarus, Canada, Switzerland, Germany, Spain, Estonia, Finland, Fiji, France, United Kingdom of Great Britain and Northern Ireland, Greece, Croatia, Hungary, Italy, Liechtenstein, Lithuania, Latvia, Moldova (Republic of), North Macedonia, Montenegro, Peru, Poland, Romania, Russian Federation, Serbia, Slovakia, Slovenia, Sweden, Ukraine, and United States of America

Identifiers

LSID urn:lsid:ipni.org:names:732629-1
WFO ID wfo-0000983687
COL ID 4TDB4
BDTFX ID 56967
INPN ID 118204
Wikipedia (EN) Link
Wikipedia (FR) Link

Synonyms

Rosa rubrifolia Rosa gutensteinensis Rosa rubicunda Rosa ilseana Rosa livida Rosa pauciflora Rosa lurida Rosa glaucescens Rosa rubrifolia var. laevis Rosa rubrifolia var. glaucescens Rosa rubrifolia var. senticosoformis Rosa rubrifolia var. subinermis Rosa rubrifolia var. pseudoglauca Rosa rubrifolia var. cinnamomeoides Rosa majalis var. rubrifolia Rosa glauca var. abrezolii Rosa glauca var. pubescens Rosa glauca var. glaucescens Rosa cinnamomea var. rubrifolia Rosa glauca