Rubus pluribracteatus L.T.Lu & Boufford

Species

Angiosperms > Rosales > Rosaceae > Rubus

Characteristics

Shrubs to 3 m tall. Branchlets brownish to purplish brown, terete, stout, yellow tomentose and with sparse, curved small prickles. Leaves simple; petiole 3–6 cm, densely yellow tomentose, with sparse, minute prickles; stipules broadly elliptic to broadly obovate, 1–1.8 cm, apex pectinately lobed; lobes undivided, lanceolate or linear-lanceolate, tomentose-villous; blade suborbicular, 7–16 cm in diam., 5-veined, veins prominent abaxially, abaxially densely yellowish gray or yellow tomentose, villous along veins, adaxially soft hairy, densely bullate, base cordate, margin 7–9-lobed, terminal lobe obtuse or subtruncate, inconspicuously 3-lobed, unevenly coarsely serrate, apex obtuse or acute. Inflorescences terminal and axillary, terminal ones narrow cymose panicles or subracemes, 7–14 cm, axillary ones racemes or flowers few in clusters in leaf axils; rachis and pedicels densely yellow or yellowish white sericeous-villous; bracts similar to stipules in shape, 1–1.5 cm, palmately laciniate; lobes lanceolate. Pedicel 1–1.5 cm, rarely longer. Flowers 1.5–2.5 cm in diam. Calyx abaxially densely yellow or yellowish white sericeous-villous; tube broadly pelviform; sepals erect in fruit, broadly ovate, 0.9–1.5(–2.4) cm × 4–7 mm, margin sometimes slightly tomentose, apex acuminate; outer sepals larger, palmately to pinnately divided, rarely undivided, inner sepals narrower, not or occasionally lobed. Petals white, obovate or spatulate, 0.8–1.4 cm × 5–8 mm, glabrous, base clawed. Stamens many; filaments broad, complanate; anthers with few long hairs. Pistils numerous, longer than stamens; ovary glabrous. Aggregate fruit red, globose, to 2 cm in diam.; pyrenes prominently rugose. Fl. Mar–Jun, fr. Aug–Sep.
More
A shrub. It grows 3 m tall. There are a few curved spines. The leaves are simple and 7-16 cm across. Flowers can be at the ends of branches or in the axils of leaves. The petals are white. The fruit is aggregate and red. They are 2 cm across.
Life form perennial
Growth form shrub
Growth support -
Foliage retention deciduous
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 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 c3

Environment

It is a tropical plant. It grows near the edges of forests and in river valleys between 300-2,700 m above sea level in southern China. It grows in Yunnan in China.
Light -
Soil humidity -
Soil texture -
Soil acidity -
Soil nutriment -
Hardiness (USDA) -

Usage

The leaves are cooked and eaten as a vegetable. The ripe fruit are eaten raw.
Uses brewing gene source medicinal
Edible flowers fruits leaves
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 pluribracteatus world distribution map, present in China and Thailand

Identifiers

LSID urn:lsid:ipni.org:names:70027769-1
WFO ID wfo-0001011073
COL ID 4TKXR
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Rubus clinocephalus Rubus major Rubus andropogon Rubus multibracteatus Rubus pluribracteatus Rubus mallodes Rubus pluribracteatus var. pluribracteatus

Lower taxons

Rubus pluribracteatus var. lobatisepalus