Rubus stans Focke

Species

Angiosperms > Rosales > Rosaceae > Rubus

Characteristics

Shrubs 1–2 m tall. Branchlets brownish to dark brown, sometimes blackish, pubescent, with intermixed glandular hairs and prickles; flower bearing branchlets lateral, 5–8 cm, pubescent, with intermixed glandular hairs. Leaves imparipinnate, 3-foliolate; petiole 2–3.5 cm, petiolule of lateral leaflet 0.5–1.5(–2) cm, lateral leaflets subsessile, pubescent, with intermixed glandular hairs, with sparse, minute prickles; stipules linear, 0.6–1 cm, pubescent, with glandular hairs; blade of leaflets broadly ovate to narrowly ovate, rarely suborbicular, 2–4 × 1.8–3 cm, terminal leaflet slightly longer than lateral leaflets, both surfaces appressed pubescent, more densely so and with glandular hairs along veins abaxially, base rounded, usually subtruncate on terminal leaflet, margin with sparse, glandular hairs and irregularly minute sharply serrate, sometimes 3-lobed on terminal leaflet, apex obtuse or acute. Inflorescences terminal on lateral branchlets, corymbose, 2–4 cm, 3-or 4-flowered or more, or flowers solitary in leaf axils; rachis and pedicels with soft hairs, intermixed glandular hairs, and sparse, minute prickles; bracts linear, 4–7 mm, pubescent, with stalked glands. Pedicel (1–)1.5–3 cm. Flowers 1–1.5 cm in diam. Calyx purplish red, abaxially densely pubescent, with stalked glands, unarmed or with needle-like prickles; tube pelviform; sepals erect, lanceolate, 0.8–1.4 cm × 2.5–5 mm, apex acuminate. Petals white, tinged purplish, or purplish red, broadly elliptic or oblong, 5–6 mm in diam., slightly shorter than sepals, base shortly and broadly clawed, margin entire or sometimes erose. Stamens many, shorter than petals; filaments linear, basally broadened and flattened. Pistils somewhat shorter than stamens; ovary sparsely pubescent, glabrescent; styles glabrous. Aggregate fruit orange-red, subglobose, 8–11 mm in diam., glabrous; pyrenes somewhat reniform, alveolate. Fl. May–Jun, fr. Jul–Aug.
More
A shrub. It grows 1-2 m tall. There are prickles. The leaves have leaflets along the stalks and one at the end. There are 3 leaflets. There can be 3 or 4 flowers at the ends of branches or single flowers in the axils of leaves. The flowers petals are white. The fruit is aggregate and orange-red. They are about 1 cm across. There are some botanical varieties.
Life form perennial
Growth form shrub
Growth support -
Foliage retention deciduous
Sexuality hermaphrodite
Pollination entomogamy
Spread -
Mature width (meter) -
Mature height (meter) 1.25 - 1.75
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

In China it grows in high mountain forests between 2,000 and 4,000 m altitude in southern provinces. In grows in Sichuan and Yunnan.
More
High montane forests, coniferous forests, forest margins and open stony thickets; at elevations from 2,000-4,000 metres.
Light 4-9
Soil humidity 4-6
Soil texture 1-6
Soil acidity 3-7
Soil nutriment -
Hardiness (USDA) 6-10

Usage

The fruit are eaten fresh.
Uses dye food
Edible fruits
Therapeutic use -
Human toxicity -
Animal toxicity -

Cultivation

Can be grown by cuttings or seedlings. Seeds needs stratification.
Mode cuttings seedlings
Germination duration (days) -
Germination temperacture (C°) -
Germination luminosity -
Germination treatment stratification
Minimum temperature (C°) -
Optimum temperature (C°) 14 - 20
Size -
Vigor -
Productivity -

Distribution

Rubus stans world distribution map, present in China

Identifiers

LSID urn:lsid:ipni.org:names:740495-1
WFO ID wfo-0000995853
COL ID 4TLRT
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Rubus stans Rubus testaceus Rubus stans var. stans

Lower taxons

Rubus stans var. soulieanus