Rubus assamensis Focke

Species

Angiosperms > Rosales > Rosaceae > Rubus

Characteristics

Shrubs climbing. Branchlets brownish to purplish brown, terete, yellowish gray villous, with curved minute prickles. Leaves simple; petiole 5–10 mm, gray or yellowish gray villous; stipules caducous, free, broadly obovate or flabellate, 0.9–1.1 cm, palmately laciniate lobed, lobes linear to linear-lanceolate, villous; blade oblong, ovate-oblong, or elliptic, 6–11 × 3.5–6 cm, lateral veins 5 or 6 pairs, abaxially densely gray or yellowish gray tomentose and villous along veins, adaxially villous, more densely so along veins, base rounded, rarely subtruncate, margin unevenly serrate, serrations apiculate, sometimes divided basally, apex acuminate. Inflorescences terminal or axillary, cymose panicles, 10–20 cm, many flowered; rachis and pedicels gray or yellowish gray villous, occasionally with sparse, minute glandular hairs; bracts obovate or subflabellate, 6–9 mm, villous, deeply lobed; lobes linear or lanceolate. Pedicel 7–11 mm. Calyx densely gray or yellowish gray tomentose and villous; sepals erect in fruit, ovate, 4–6 × 3–4 mm, apex long acuminate. Petals usually absent. Stamens many, somewhat shorter than or nearly as long as sepals; filaments linear. Pistils 10–15(–20), shorter than stamens, often glabrous. Aggregate fruit red when immature, black at maturity, subglobose, ca. 8 mm in diam., with several drupelets; pyrenes slightly rugose. Fl. Jun–Jul, fr. Aug–Sep.
More
A climbing shrub. It has small curved prickles. The leaves are simple with lobes. They are 6-11 cm long by 4-6 cm wide. There are many flowers in a group in the axils of leaves or at the ends of branches. They are white. The fruit is aggregate and red but turning black when ripe. They are 8 mm across.
Life form perennial
Growth form shrub
Growth support climber
Foliage retention deciduous
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) -
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 subtropical plant. In southern China it grows on the edges of forests between 1,400-3,000 m above sea level. It grows in Sichuan and Yunnan in China.
Light -
Soil humidity -
Soil texture -
Soil acidity -
Soil nutriment -
Hardiness (USDA) 6-12

Usage

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

Cultivation

Mode -
Germination duration (days) -
Germination temperacture (C°) -
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -
Optimum temperature (C°) 14 - 20
Size -
Vigor -
Productivity -

Distribution

Rubus assamensis world distribution map, present in China, India, Myanmar, and Viet Nam

Identifiers

LSID urn:lsid:ipni.org:names:735250-1
WFO ID wfo-0001017972
COL ID 4TJHG
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Rubus sepalanthus Rubus assamensis Rubus bahanensis Rubus qinglongensis