Rubus wardii Merr.

Species

Angiosperms > Rosales > Rosaceae > Rubus

Characteristics

Shrubs or subshrubs, prostrate, low, ca. 80 cm tall. Branchlets brown or reddish brown, terete, with soft hairs, glandular hairs, and sparse, needle-like or small curved prickles. Leaves compound, 3-foliolate; petiole 4–6 cm, petiolule of terminal leaflet to 1 cm, lateral leaflets shortly petiolulate, with sparse, soft hairs, intermixed glandular hairs and needle-like prickles; stipules free, brown, 8–10 mm, palmatipartite to middle or base; lobes linear-lanceolate, soft hairy, with glandular hairs; blade of leaflets variable, terminal one rhombic-ovate, 6–10 × 4–6 cm, base cuneate, apex acuminate to caudate, lateral leaflets suborbicular or ovate, ca. 1/2 as long and wide as terminal one or smaller, both surfaces soft hairy along veins, abaxially with minute prickles along veins, base obliquely rounded, margin sometimes lobed, unevenly obtusely serrate, apex acute or obtuse. Inflorescences terminal, 1-flowered, rarely flowers in clusters of 2 or 3; bracts 7–9 mm, palmatiparted; lobes linear to linear-lanceolate, with glandular hairs and soft hairs. Pedicel 3–4 cm, with soft hairs, glandular hairs, and needle-like prickles. Flowers 3–4 cm in diam. Calyx abaxially with sparse, soft hairs, glandular hairs, and needle-like prickles; sepals erect, triangular-ovate, 1.5–2(–2.5) cm × 5–8 mm, apex caudate; outer sepals usually apically laciniate; lobes linear, inner sepals sometimes entire. Petals greenish white, suborbicular or obovate, 7–9 mm in diam., much shorter than sepals. Stamens many, much shorter than petals; anthers oblong. Pistils numerous, densely glomerate; ovary densely tomentose-villous. Aggregate fruit somewhat green at maturity, globose, 1.3–2(–2.5) cm in diam., densely brownish yellow tomentose-villous, outer drupelets dry, inner drupelets fleshy; pyrenes furrowed-rugose. Fl. Jun–Jul, fr. Aug–Sep.
Life form perennial
Growth form shrub
Growth support -
Foliage retention deciduous
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.8
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

Light -
Soil humidity -
Soil texture -
Soil acidity -
Soil nutriment -
Hardiness (USDA) 7-11

Usage

Uses -
Edible -
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 wardii world distribution map, present in Bhutan, China, India, and Myanmar

Identifiers

LSID urn:lsid:ipni.org:names:741240-1
WFO ID wfo-0001016847
COL ID 4TM42
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Rubus gigantiflorus Rubus macrocarpus Rubus hookeri Rubus wardii Rubus gigantiflorus var. chiliocanthus Rubus gigantiflorus var. pluvialis