Jepson eFlora: Taxon page
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Rubus laciniatus
CUTLEAF BLACKBERRY

Higher Taxonomy
Family: RosaceaeView DescriptionDichotomous Key

Common Name: ROSE FAMILY
Habit: Annual to tree, glandular or not. Leaf: simple to palmately or pinnately compound, generally alternate; stipules free to fused (0), persistent to deciduous. Inflorescence: cyme, raceme, panicle, cluster, or flowers 1; bractlets on pedicel ("pedicel bractlets") generally 0--3(many), subtended by bract or generally not. Flower: generally bisexual, radial; hypanthium free or fused to ovary, saucer- to funnel-shaped, subtending bractlets ("hypanthium bractlets") 0--5, alternate sepals; sepals generally 5; petals generally 5, free; stamens (0,1)5--many, anther pollen sacs generally 2; pistils (0)1--many, simple or compound, ovary superior to inferior, styles 1--5. Fruit: 1--many per flower, achene (fleshy-coated or not), follicle, drupe, or pome with generally papery core, occasionally drupe-like with 1--5 stones. Seed: generally 1--5 (per fruit, not per flower).
Genera In Family: 110 genera, +- 3000 species: worldwide, especially temperate; many cultivated for ornamental, fruit, especially Cotoneaster, Fragaria, Malus, Prunus, Pyracantha, Rosa, Rubus. Note: Number of teeth is per leaf or leaflet, not per side of leaf or leaflet, except in Drymocallis.
eFlora Treatment Author: Daniel Potter & Barbara Ertter, family description, key to genera; treatment of genera by Daniel Potter, except as noted
Scientific Editor: Daniel Potter, Thomas J. Rosatti.
Genus: RubusView DescriptionDichotomous Key

Habit: Generally shrub; (dioecious). Stem: persisting 1--2 years, rooting at tips and/or nodes or not, erect or arched to mounded or prostrate, 5-angled or not, hairy or glabrous, glaucous or not, stalked glands present or not; bristles or prickles 0--many, prickles stout and wide-based or weak and slender, straight or curved. Leaf: simple, palmately lobed, to palmately compound, leaflets 3 or 5(11), toothed, abaxially +- glabrous to densely hairy; stipules thread-like to ovate or elliptic. Inflorescence: raceme- or panicle-like cyme, axillary or terminal; pedicel bractlets 0. Flower: generally bisexual; hypanthium flat to saucer-shaped, bractlets 0; sepals persistent, reflexed to ascending, ovate or lance-ovate, hairy or glabrous, stalked or sessile glands present or not, tip pointed, prickly or not; petals widely obovate, spoon-shaped, or elliptic, white to +- pink or magenta; stamens generally >> 20, filaments thread- or strap-like; pistils 5--150, receptacle flat or convex to conical, spongy, generally elongated in fruit, ovaries superior, hairy or glabrous, styles long, slender or short, thick, glabrous or hairy; ovules 2, 1 maturing. Fruit: fleshy-coated achenes, aggregate of few to many, yellow, orange, red, or black, generally falling as unit, separating with (blackberry-type) or without (raspberry-type) receptacle attached.
Species In Genus: 400--750 species: worldwide except Antarctica, especially northern temperate. Etymology: (Latin: red; ancient name for bramble, blackberry)
eFlora Treatment Author: Lawrence A. Alice

Rubus laciniatus Willd.
NATURALIZED
Habit: Plant to 3 m, arched to mounded; prickles many, stout, wide-based, generally strong-curved. Stem: 3--10 mm diam, 5-angled, +- glabrous to hairy, not or +- glaucous, persisting 2 years, rooting at tips. Leaf: 1st-yr stem leaves compound, leaflets (3)5, deeply dissected, coarse-toothed, tip pointed, abaxially finely to densely hairy; flower stem leaves simple or generally compound, leaflets 3--5; stipules <= 1 mm wide, thread-like to linear. Inflorescence: panicle-like cyme, terminal, flowers (5)10--25. Flower: sepals hairy, prickly, with short stalked glands; petals (8)10--15 mm, obovate, generally 3-lobed, white (pink); filaments thread-like; pistils > 30, styles long, slender, ovaries glabrous. Fruit: blackberry-type, black. Chromosomes: 2n=28.
Ecology: Moist, disturbed areas, garden escape; Elevation: 60--1500 m. Bioregional Distribution: NW, CaR, SN, SnFrB, PR; Distribution Outside California: to British Columbia, Montana, eastern North America. Flowering Time: May--Jul Note: Europe cultivar.
eFlora Treatment Author: Lawrence A. Alice
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Citation for this treatment: Lawrence A. Alice 2016. Rubus laciniatus, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=42009, accessed on December 07, 2016.

Citation for the whole project: Jepson Flora Project (eds.) 2016. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on December 07, 2016.


Rubus laciniatus
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© 2009 Keir Morse
Rubus laciniatus
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© 2008 Keir Morse
Rubus laciniatus
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© 2006 George W. Hartwell
Rubus laciniatus
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© 2006 George W. Hartwell
Rubus laciniatus
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© 2012 Julie Kierstead Nelson
Rubus laciniatus
click for enlargement
© 2012 Julie Kierstead Nelson

More photos of Rubus laciniatus in CalPhotos


Geographic subdivisions for Rubus laciniatus:
NW, CaR, SN, SnFrB, PR;
Markers link to CCH specimen records. Yellow markers indicate records that may provide evidence for eFlora range revision or may have georeferencing or identification issues. Purple markers indicate specimens collected from a garden, greenhouse, or other non-wild location.
READ ABOUT YELLOW FLAGS
map of distribution 1
(Note: any qualifiers in the taxon distribution description, such as 'northern', 'southern', 'adjacent' etc., are not reflected in the map above, and in some cases indication of a taxon in a subdivision is based on a single collection or author-verified occurence).

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Data provided by the participants of the Consortium of California Herbaria.
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CCH collections by month

Duplicates counted once; synonyms included.
Species do not include records of infraspecific taxa.
Blue line denotes eFlora flowering time.