Rubus pentagonus Wall. ex Focke

Species

Angiosperms > Rosales > Rosaceae > Rubus

Characteristics

Shrubs scrambling, 1.5–3 m tall. Branchlets climbing, brownish to dark brown, slightly pubescent when young, later glabrous, with sparse prickles, often with stalked glands. Leaves palmately 3-or 5-foliolate; petiole 2–4 cm, sparsely pubescent, with stalked glands and minute prickles, rarely without stalked glands, leaflets sessile; stipules linear-lanceolate, 7–10 mm, puberulous, margin with shortly stalked glands, margin entire or deeply 2-laciniate; blade of leaflets rhombic-lanceolate, 3–8(–11) × 1.5–4 cm, abaxially sparsely pubescent, adaxially pilose along veins, base cuneate, margin incised coarse-doubly serrate, apex acuminate to caudate. Inflorescences terminal, corymbose, 2–3 cm, 2-or 3-flowered or with flowers solitary in leaf axils; bracts linear-lanceolate, 6–9 mm, often with stalked glands, margin entire or 2-or 3-laciniate. Pedicel 1.5–2.5 cm, glabrous, with sparse, gland-tipped hairs and small prickles. Flowers to 2 cm in diam. Calyx glabrous, abaxially glandular pubescent, with minute prickles; sepals erect, spreading, lanceolate or ovate-lanceolate, 0.8–1.2(–3) cm × 5–8 mm, margin entire or 3-laciniate, inner sepals with tomentose margin, apex acuminate or caudate. Petals white, elliptic or oblong, much shorter than sepals, base shortly clawed. Stamens many; filaments broad. Pistils 10–15, slightly shorter than stamens; style and ovary glabrous. Aggregate fruit red or orange-red, subglobose, to 2 cm in diam., glabrous, enclosed in calyx; pyrenes reniform, to 4 mm, rugose. Fl. Apr–May, fr. Jun–Jul.
More
A straggling prickly shrub. The leaves are stalked. They have 3-5 leaflets and the leaflets only have short stalks. They are oval and taper to the tip. They have teeth along the edge. They are white and hairy underneath. The flowers are white or pinkish. The fruit are red and succulent.
Life form perennial
Growth form shrub
Growth support climber
Foliage retention deciduous
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 1.5 - 3.0
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 Nepal they are grown between 2000-3000 m altitude. They grow in moist, rocky places. It grows in Sichuan and Yunnan in China. In Vietnam it occurs at 2,600 m above sea level.
Light -
Soil humidity -
Soil texture -
Soil acidity -
Soil nutriment -
Hardiness (USDA) 7-11

Usage

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

Cultivation

Plants are grown from root offshoots or seeds.
Mode -
Germination duration (days) -
Germination temperacture (C°) -
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -
Optimum temperature (C°) 14 - 20
Size -
Vigor -
Productivity -

Distribution

Rubus pentagonus world distribution map, present in Bhutan, China, India, Myanmar, Nepal, and Viet Nam

Identifiers

LSID urn:lsid:ipni.org:names:740922-1
WFO ID wfo-0001015844
COL ID 4TL88
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Rubus tridactylus Rubus pentagonus Rubus pentagonus var. pentagonus

Lower taxons

Rubus pentagonus var. modestus