Rubus sumatranus Miq.

Species

Angiosperms > Rosales > Rosaceae > Rubus

Characteristics

Shrubs erect or scandent. Branchlets brownish to dark reddish brown, cylindric, with long soft hairs, usually with scattered setose purplish red glandular hairs and curved prickles; glandular hairs and prickles unequal in length, glandular hairs to 4–5 mm, prickles to 8 mm. Leaves imparipinnate, to 15 cm, 5–7-foliolate, rarely 3-foliolate; petiole 3–5 cm, petiolule of terminal leaflet to 1 cm, lateral leaflets shortly petiolulate, petiolule and rachis soft hairy, with intermixed glandular hairs, with curved minute prickles; stipules lanceolate or linear-lanceolate, 6–8 mm, with soft hairs and intermixed glandular hairs; blade of leaflets ovate-lanceolate to lanceolate, 3–8 × 1.5–3 cm, abaxially villous, with gland-tipped hairs and small prickles along midvein, adaxially villous especially along midvein, base rounded, margin irregularly sharply serrate to doubly serrate, sometimes 3-lobed on terminal leaflet, apex acuminate. Inflorescences terminal, corymbose, 4–7 cm, 3-to several flowered, rarely flowers solitary; rachis and pedicels villous, with intermixed glandular hairs, with minute prickles; bracts lanceolate or linear, 5–7 mm, with soft hairs and intermixed glandular hairs. Pedicel 2–3 cm. Flowers 1–2 cm in diam. Calyx abaxially with soft hairs, with intermixed unequal long gland-tipped hairs; sepals reflexed in fruit, lanceolate or oblong-lanceolate, 7–12 × 2–4 mm; apex long caudate. Petals white, narrowly obovate or spatulate, slightly shorter than sepals, base clawed. Stamens many, shorter than petals. Pistils to 400; style and ovary glabrous; torus raised, oblong, base shortly stalked. Aggregate fruit orange-red, oblong, 1.2–1.8 cm × 7–11 mm, glabrous; pyrenes reticulate. Fl. Apr–Jun, fr. Jul–Aug. 2n = 14.
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Erect or scrambling to semi-scandent shrubs, up to 2 m high. Stems with many up to 5 mm long gland-tipped, reddish, setose hairs and usually also with soft, curly hairs, prickles usually not many, curved, up to 5 mm. Sessile, pale or red globular glands often present on many parts of the plant, especially the leaves. Leaves imparipinnate, up to 21 cm long, petiole (l-)2-6 cm long. Stipules linear, 3-6 by up to 0.5 mm, entire. Leaflets in 2-3(-4) opposite pairs, oblong to oblong-ovate, 2.5-7 by 0.8-2 cm, base acute to rounded, margin serrate to biserrate, apex acute to long-tapering, herbaceous, 7-12 pairs of nerves, soft-hairy on both surfaces and with gland-tipped long hairs. Inflorescence consisting of up to 5(-8) cymes in the axils of the upper leaves, up to 25 cm long, with up to 20 flowers. Bracts in the cymes often leaf-like. Pedicels up to 4 cm long. Hypanthium 4-5 mm across, with some soft hairs and with gland-tipped setose hairs outside. Sepals narrowly triangular, 7-14 by 2-3.5 mm, including the up to 5 mm long acumen, indumentum outside as hypanthium and also woolly on the covered margins. Petals falling early, oblong to obovate, 8-10 by 2-4 mm, obtuse, slightly fimbriate at apex, white. Stamens up to c. 120, filaments up to 4 mm, anthers 0.5 mm long. Pistils up to c. 500, ovaries glabrous, on elevated, glabrous torus with pistils down to the base, style up to 2 mm long. Collective fruits ellipsoid, up to 1.5 by 0.8 cm when dry, sepals recurved. Fruits 1-1.5 mm long, orange-red to red, mesocarp only a very thin layer when dry.
A sprawling shrub. It has glandular red hairs and hooked prickles 3-4 mm long. The leaves have leaflets along the stalk and are 5-12 cm long. There are 5-7 oval leaflets 3-5 cm long y 2-3 cm wide. The base is obliquely rounded. There are irregular teeth. The veins have curved spines underneath. The flowers are white and can occur singly or as several in a group. The fruit are oval and 1-1.5 cm long. They are orange-red.
Life form perennial
Growth form shrub
Growth support -
Foliage retention deciduous
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 2.0
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

Clearings, roadsides, thickets, tea plantations, forest borders, and similar open places, very rarely reported from lighter types of forest, at elevations from 500-2,000 metres in Malaya and Indonesia.
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Clearings, roadsides, thickets, tea plantations, forest borders, and similar open places, very rarely reported from lighter types of forest, at elevations from 500-2,000 metres in Malaya and Indonesia.
It is a tropical plant. It grows in clearings and on the edges of forests. It grows between 500-2,000 m above sea level.
Light -
Soil humidity -
Soil texture -
Soil acidity -
Soil nutriment -
Hardiness (USDA) 6-12

Usage

Uses Fruits edible, pleasant of taste.
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The fruit are eaten raw.
Uses breeding food gene source medicinal ornamental
Edible fruits
Therapeutic use -
Human toxicity -
Animal toxicity -

Cultivation

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

Images

Rubus sumatranus unspecified picture

Distribution

Rubus sumatranus world distribution map, present in Bhutan, China, Indonesia, India, Japan, Cambodia, Lao People's Democratic Republic, Sri Lanka, Myanmar, Malaysia, Nepal, Korea (Democratic People's Republic of), Thailand, Taiwan, Province of China, and Viet Nam

Identifiers

LSID urn:lsid:ipni.org:names:740705-1
WFO ID wfo-0001017830
COL ID 4TLTT
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Rubus sumatranus Rubus dolichocephalus Rubus indotibetanus Rubus sorbifolius Rubus myriadenus Rubus myriadenus var. grandifoliolatus Rubus asper var. myriadenus Rubus asper var. myriadenus Rubus eustephanus var. glandulosus