Rubus croceacanthus H.Lév.

Species

Angiosperms > Rosales > Rosaceae > Rubus

Characteristics

Shrubs low, to 1 m tall. Branchlets dark brown to dark reddish brown, slender, pubescent, with intermixed dense glandular hairs, or glabrous, with sparse, straight to curved prickles to 4 mm. Leaves imparipinnate, to 20 cm, papery, usually 5–7-foliolate, sometimes 3-foliolate on flower bearing branchlets; petiole 2–4 cm, petiolule of terminal leaflet 0.8–1.5 cm, lateral leaflets subsessile, petiolule and rachis densely soft hairy or glabrous, with intermixed glandular hairs and sparse, minute prickles; stipules lanceolate, 5–10 mm, pubescent, with intermixed glandular hairs; blade of leaflets variable in shape, terminal leaflet ovate-elliptic to ovate-lanceolate, 4–7 × 2–5 cm, apex acute to shortly acuminate, lateral leaflets elliptic or ovate, 2–5 × 1.5–3 cm, both surfaces with dense spreading soft hairs, glabrescent, usually with some small prickles along midvein abaxially, base cuneate or rounded to subcordate, apex obtuse or acute, lateral leaflets often oblique basally, margin unevenly serrate to doubly serrate, sometimes with glandular hairs. Inflorescences terminal on short lateral branchlets, corymbose, 1-to several flowered; pedicel and abaxial surface of calyx with glandular hairs, soft hairy or glabrous; bracts lanceolate, 4–8 mm, puberulous, with glandular hairs. Pedicel 2–3 cm, with few small prickles. Flowers 2–3 cm in diam. Calyx tube pelviform; sepals triangular-oblong or triangular-lanceolate, 0.7–1.5 cm × 4–6 mm, inner sepals tomentose at margin, margin entire, rarely divided, apex long caudate. Petals white, nearly orbicular or broadly ovate-elliptic, 0.8–1.4 × 0.7–1.3 cm, abaxially shortly hairy. Stamens many, shorter than petals; filaments linear. Pistils numerous, shorter than stamens; ovary to 1 mm, with sparse, soft hairs especially apically, usually with some stalked glands; styles ca. 1.5 mm. Aggregate fruit red at maturity, subglobose or ovoid, rarely ellipsoid, 1–1.5 cm in diam., with few glandular hairs; pyrenes foveolate. Fl. Mar–Apr, fr. May–Jun.
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A shrub. The branches have small prickles. These can be 4 mm long. The leaves are compound and have a leaflet at the end. The leaves are 20 cm long and there are usually 3-5 leaflets. These are 3-7 cm long by 3-5 cm wide. The flowers often occur singly at the ends of branches. The fruit is 1-2 cm across and red when ripe.
Life form perennial
Growth form shrub
Growth support -
Foliage retention deciduous
Sexuality hermaphrodite
Pollination entomogamy
Spread -
Mature width (meter) -
Mature height (meter) 1.0
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 subtropical plant. It grows in open spaces in forests and in grassland. In Taiwan it grows from sea level to 1,000 m altitude.
More
Forest clearings, forest margins, roadsides, landslides, grasslands, river banks; from sea level to medium elevations.
Forest clearings, forest margins, roadsides, landslides, grasslands, river banks; from sea level to medium elevations.
Light -
Soil humidity -
Soil texture -
Soil acidity -
Soil nutriment -
Hardiness (USDA) 8-12

Usage

The fruit is used for wine.
Uses -
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 -

Images

Rubus croceacanthus unspecified picture

Distribution

Rubus croceacanthus world distribution map, present in China, India, Cambodia, Myanmar, Korea (Democratic People's Republic of), Thailand, and Taiwan, Province of China

Identifiers

LSID urn:lsid:ipni.org:names:736102-1
WFO ID wfo-0000993713
COL ID 6X9MC
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Rubus croceacanthus Rubus isensis Rubus euphlebophyllus Rubus piptopetalus Rubus sphaerocephalus Rubus rubro-angustifolius Rubus kiusianus Rubus kinokuniensis Rubus croceacanthus var. croceacanthus Rubus asper var. glaber

Lower taxons

Rubus croceacantha var. glaber