Rubus pascuus L.H.Bailey

Chesapeake blackberry (en)

Species

Angiosperms > Rosales > Rosaceae > Rubus

Characteristics

Shrubs, 7–30 dm, armed. Stems ?biennial?, arching, sparsely to densely hairy, sparsely to densely sessile-glandular, rarely short-stipitate-glandular, not pruinose; ?bark not papery, peeling?; prickles moderate to dense, hooked, retrorse, or erect, stout, 4–10 mm, broad-or narrow-based. Leaves deciduous to semievergreen, palmately compound, rarely ternate; stipules filiform to linear, rarely narrowly lanceolate, 5–16(–20) mm; leaflets 3–5, terminal broadly elliptic or ovate, (3.5–)4.5–8.5 × 2.5–6 cm, base rounded, unlobed, margins moderately to coarsely doubly, rarely singly, serrate, apex acute or short-acuminate, abaxial surfaces with hooked prickles on larger veins, short-velutinous to tomentose, sparsely to densely sessile-glandular, rarely short-stipitate-glandular. Inflorescences terminal and axillary, 3–15(–25)-flowered, cymiform to thyrsiform, ?not projected well beyond subtending leaves?. Pedicels: prickles moderate to dense, hooked, retrorse, or erect, densely hairy, eglandular or sparsely to moderately sessile-glandular. Flowers bisexual; petals white to pale pink, obovate or elliptic to orbiculate, (8–)10–15 mm; filaments filiform; ovaries glabrous or apically hairy. Fruits black, globose to subcylindric, 1–2 cm; drupelets (15–)20–40(–50), strongly coherent, separating with torus attached. 2n = 21, 28.
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A scrambling shrub.
Life form perennial
Growth form shrub
Growth support free-standing
Foliage retention deciduous
Sexuality hermaphrodite
Pollination entomogamy
Spread -
Mature width (meter) -
Mature height (meter) 0.7 - 3.0
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months -
Fruit color
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

Dry to wet argillaceous, siliceous or peaty soils. Woodland edges, swamp margins, dry thickets, open and often disturbed areas, roadsides; at elevations up to 300 metres.
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It is a temperate plant.
Light 5-9
Soil humidity 4-6
Soil texture 2-5
Soil acidity 3-7
Soil nutriment -
Hardiness (USDA) 4-10

Usage

Uses dye food
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 -

Distribution

Rubus pascuus world distribution map, present in United States of America and South Africa

Identifiers

LSID urn:lsid:ipni.org:names:223420-2
WFO ID wfo-0001006655
COL ID 4TL75
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Rubus pascuus Rubus serissimus Rubus uliginosus