Rubus amphidasys Focke

Species

Angiosperms > Rosales > Rosaceae > Rubus

Characteristics

Shrubs trailing, small, 0.3–1 m tall. Branchlets reddish brown, with dense reddish brown long stipitate glands, soft bristles, and long yellowish hairs, usually unarmed. Leaves simple; petiole 2–5.5 cm, with reddish brown long glandular hairs, soft bristles and yellowish villous; stipules free, 0.8–1.5 cm, deeply laciniate; lobes lanceolate or linear, with long glandular hairs, villous; blade broadly to narrowly ovate, 5–11 × 3.5–9 cm, both surfaces villous, base cordate, margin 3–5-lobed, terminal lobe much larger and longer than lateral lobes, apex shortly acuminate, rarely acute, lateral lobes obtuse, unevenly sharply serrate. Inflorescences terminal or axillary, subracemes, 6–12 cm, 5–12-flowered, rarely flowers in clusters of 3–5; rachis, pedicels, and abaxial surface of calyx with dense reddish brown long glandular hairs, soft bristles, and yellowish long hairs; bracts 6–9 mm, lobed; lobes linear or lanceolate, villous, stipitate glandular. Pedicel 5–14 mm. Flowers 1–1.5 cm in diam. Calyx tube ca. 5 mm; sepals erect in fruit, narrowly lanceolate, 1–1.7 cm × 3–5 mm, apex caudate, outer sepals usually 2-or 3-laciniate. Petals white, broadly ovate to oblong, 4–7 × 3–5 mm, base barely clawed, margin premorse or coarsely serrate. Stamens many; filaments broad, complanate. Pistils longer than stamens; ovary glabrous. Aggregate fruit dark red, compressed globose, ca. 1 cm in diam., glabrous, enclosed in persistent calyx; pyrenes rugose. Fl. May–Jun, fr. Jul–Aug.
Life form perennial
Growth form shrub
Growth support -
Foliage retention deciduous
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.3 - 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.
Light -
Soil humidity -
Soil texture -
Soil acidity -
Soil nutriment -
Hardiness (USDA) 6-11

Usage

The fruit are eaten and also used for jam.
Uses medicinal
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 amphidasys world distribution map, present in China

Identifiers

LSID urn:lsid:ipni.org:names:735047-1
WFO ID wfo-0001018237
COL ID 6X9JG
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Rubus amphidasys Rubus hatsushimai Rubus chaffanjonii