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Rubus spectabilis

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 spectabilis Pursh
Habit: Plant 2--4 m, erect; prickles few, +- stout, slender, straight. Stem: 3--15 mm diam, not angled, glabrous, not glaucous, persisting 2 years, not rooting at tips. Leaf: simple to generally compound, leaflets 3, terminal widely ovate, +- lobed, coarse-double-toothed, tip acute to acuminate, abaxially glabrous to densely hairy; stipules <= 1 mm wide, thread-like to linear. Inflorescence: axillary, flowers 1--2. Flower: sepals hairy, +- stalked-glandular; petals (10)15--22(30) mm, elliptic to narrow-obovate, magenta; filaments strap-like; pistils generally > 30, styles long, slender, ovaries glabrous. Fruit: raspberry-type, +- yellow to orange to red. Chromosomes: 2n=14.
Ecology: Moist areas, especially edges of woodland, streambanks; Elevation: generally < 500 m. Bioregional Distribution: NCo, nw KR, n NCoRO, n CCo, w SnFrB; Distribution Outside California: to Alaska. Flowering Time: Mar--Jun
Synonyms: Rubus franciscanus Rydb.; Rubus spectabilis var. franciscanus (Rydb.) J.T. Howell; Rubus spectabilis var. menziesii (Hook.) S. Watson; Rubus stenopetalus Cham.
eFlora Treatment Author: Lawrence A. Alice
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botanical illustration including Rubus spectabilis


Citation for this treatment: Lawrence A. Alice 2016. Rubus spectabilis, in Jepson Flora Project (eds.) Jepson eFlora,, accessed on April 28, 2016.

Citation for the whole project: Jepson Flora Project (eds.) 2016. Jepson eFlora,, accessed on April 28, 2016.

Rubus spectabilis
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© 2016 Steve Matson
Rubus spectabilis
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© 2011 California Academy of Sciences
Rubus spectabilis
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© 2015 Barry Breckling
Rubus spectabilis
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© 2011 California Academy of Sciences
Rubus spectabilis
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© 2009 Thomas Stoughton
Rubus spectabilis
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© 2015 Barry Breckling

More photos of Rubus spectabilis in CalPhotos

Geographic subdivisions for Rubus spectabilis:
NCo, nw KR, n NCoRO, n CCo, w SnFrB;
Markers link to CCH specimen records. If the markers are obscured, reload the page [or change window size and reload]. Yellow markers indicate records that may provide evidence for eFlora range revision or may have georeferencing or identification issues.
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.