Jepson eFlora: Taxon page
Vascular Plants of California
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Sorbus scopulina

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 ornament, 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: SorbusView DescriptionDichotomous Key

Habit: Shrub, tree. Leaf: odd-1-pinnately compound [not], petioled, deciduous; leaflets generally toothed, terminal partly fused to uppermost lateral(s) or not. Inflorescence: panicle, many-flowered; pedicel bractlets 0. Flower: hypanthium bractlets 0, stamens generally 20; ovary generally inferior, chambers 1--5, styles 1--5, generally free. Fruit: pome, generally spheric, chambers 1--5, 1--2-seeded.
Species In Genus: +- 130 species: northern temperate, tropical Asia. Etymology: (Latin: ancient name) Note: Species intergrade.
eFlora Treatment Author: Peter F. Zika
Unabridged Reference: Jones 1939 J Arnold Arbor 20:1--43
Sorbus scopulina Greene
Habit: Shrub 1--5 m; stem-buds 8--14 mm, shiny, sticky, hairs generally sparse, +- white. Leaf: leaflets 7--13, 3--8 cm, 1.5--3 cm wide, lanceolate, oblong, or ovate, shiny adaxially, axillary hairs +- white. Inflorescence: pedicels hairy. Flower: petals 4--6 mm, ovate. Fruit: 8--12 mm, orange to red-orange, glaucous or not. Seed: 4--5 mm, ovate, flat, brown. Chromosomes: 2n=34, 68.
Ecology: Canyons, wooded slopes, moist places, conifer forest; Elevation: 1000--2800 m. Bioregional Distribution: KR, NCoR, CaR, SNH, MP; Distribution Outside California: to Alaska, Saskatchewan, New Mexico. Flowering Time: Jun--Jul
Synonyms: Sorbus cascadensis G.N. Jones; Sorbus scopulina var. cascadensis (G.N. Jones) C.L. Hitchc.; Sorbus sitchensis M. Roem. var. densa Jeps.
Jepson eFlora Author: Peter F. Zika
Index of California Plant Names (ICPN; linked via the Jepson Online Interchange)

Previous taxon: Sorbus californica
Next taxon: Sorbus sitchensis

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Botanical illustration including Sorbus scopulina

botanical illustration including Sorbus scopulina


Citation for this treatment: Peter F. Zika 2012, Sorbus scopulina, in Jepson Flora Project (eds.) Jepson eFlora,, accessed on June 24, 2022.

Citation for the whole project: Jepson Flora Project (eds.) 2022, Jepson eFlora,, accessed on June 24, 2022.

Sorbus scopulina
click for enlargement
© 2011 California Academy of Sciences
Sorbus scopulina
click for enlargement
© 2010 Keir Morse
Sorbus scopulina
click for enlargement
© 2010 Keir Morse
Sorbus scopulina
click for enlargement
© 2010 Keir Morse
Sorbus scopulina
click for enlargement
© 2010 Keir Morse
Sorbus scopulina
click for enlargement
© 2005 California Academy of Sciences

More photos of Sorbus scopulina in CalPhotos

Geographic subdivisions for Sorbus scopulina:
1. You can change the display of the base map layer control box in the upper right-hand corner.
2. County and Jepson Region polygons can be turned off and on using the check boxes.
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).


Data provided by the participants of the  Consortium of California Herbaria.
View all CCH records
All markers link to CCH specimen records. The original determination is shown in the popup window.
Blue markers indicate specimens that map to one of the expected Jepson geographic subdivisions (see left map). Purple markers indicate specimens collected from a garden, greenhouse, or other non-wild location.
Yellow markers indicate records that may provide evidence for eFlora range revision or may have georeferencing or identification issues.

CCH collections by month

Duplicates counted once; synonyms included.
Species do not include records of infraspecific taxa, if there are more than 1 infraspecific taxon in CA.
Blue line denotes eFlora flowering time (fruiting time in some monocot genera).