Rosa primula Boulenger

Species

Angiosperms > Rosales > Rosaceae > Rosa

Characteristics

Shrubs erect, small, 1–2 m tall. Branchlets terete, slender, glabrous; prickles sparse to numerous, paired below some leaves, frequently opposite elsewhere, straight, to 1.5 cm, stout, flat, gradually tapering to a broad elliptic base, small prickles and bristles absent. Leaves including petiole 3–7 cm; stipules mostly adnate to petiole, free parts ovate-lanceolate, glabrous, margin inconspicuously serrate and glandular; rachis and petiole sparsely glandular; leaflets (7–)9–15, elliptic, elliptic-obovate, or long elliptic, 6–15 × 3–8 mm, glabrous, abaxially with prominent midvein, densely glandular punctate, base subrounded or broadly cuneate, margin doubly obtusely serrate, apex rounded-obtuse or acute. Flower solitary, axillary, 2.5–4 cm in diam.; pedicel 8–10 mm, glabrous; bracts absent. Hypanthium ovoid or subglobose, glabrous. Sepals 5, lanceolate, abaxially glabrous, adaxially sparsely villous, margin entire, apex acuminate. Petals 5, yellowish or yellow-white, obovate, base broadly cuneate, apex emarginate. Styles free, shorter than stamens, slightly exserted, villous. Hip red or black-brown, ovoid or subglobose, ca. 1 cm in diam., glabrous, with persistent, reflexed sepals; pedicel to 1.5 cm, glabrous. Fl. May–Jul, fr. Jul–Nov.
Life form perennial
Growth form shrub
Growth support free-standing
Foliage retention deciduous
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) 2.0 - 3.25
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
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Nitrogen fixer -
Photosynthetic pathway -

Environment

Light 6-9
Soil humidity 3-6
Soil texture 2-5
Soil acidity 2-8
Soil nutriment -
Hardiness (USDA) 6-8

Usage

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

Cultivation

Can be grown by cuttings or seedlings.
Mode cuttings seedlings
Germination duration (days) 30 - 365
Germination temperacture (C°) 12
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -29
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Images

Rosa primula unspecified picture

Distribution

Rosa primula world distribution map, present in China

Identifiers

LSID urn:lsid:ipni.org:names:733775-1
WFO ID wfo-0000984829
COL ID 4TDTS
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR) Link

Synonyms

Rosa primula Rosa ecae Rosa sweginzowii