Jepson eFlora: Taxon page
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Phlox speciosa

Higher Taxonomy
Family: PolemoniaceaeView DescriptionDichotomous Key

Habit: Annual, perennial herb, shrub, vine. Leaf: simple or compound, cauline (or most basal), alternate or opposite; stipules 0. Inflorescence: cymes, heads, clusters, or flower 1; bracts in involucres or not. Flower: sepals generally 5, fused at base, translucent membrane generally connecting lobes, torn by fruit; corolla generally 5-lobed, radial or bilateral, salverform to bell-shaped, throat often well defined; stamens generally 5, epipetalous, attached at >= 1 level, filaments of >= 1 length, pollen white, yellow, blue, or red; ovary superior, chambers generally 3, style 1, stigmas generally 3. Fruit: capsule. Seed: 1--many, when wetted swelling or not, gelatinous or not.
Genera In Family: 26 genera, 314 species: America, northern Europe, northern Asia; some cultivated (Cantua, Cobaea (cup-and-saucer vine), Collomia, Gilia, Ipomopsis, Linanthus, Phlox). Note: Leptodactylon moved to Linanthus.
eFlora Treatment Author: Robert Patterson, family description, key to genera, except as noted
Scientific Editor: Robert Patterson, Thomas J. Rosatti.
Genus: PhloxView DescriptionDichotomous Key

Habit: Perennial herb or +- subshrub, open to matted or cushion-like. Stem: prostrate or decumbent to erect. Leaf: cauline, opposite, simple, sessile, lance-linear to elliptic, entire. Flower: corolla salverform; stamens attached at > 1 level, some unequal.
Species In Genus: +- 60 species: North America, Siberia. Etymology: (Greek: flame, ancient name for Lychnis of Caryophyllaceae) Note: Phlox gracilis moved to Microsteris.
eFlora Treatment Author: Carolyn J. Ferguson, Suzanne C. Strakosh & Robert Patterson

Phlox speciosa Pursh
Habit: Open. Stem: erect. Leaf: 1--5 cm, lance-linear. Inflorescence: terminal, with leaf-like bracts below; pedicel 3--20 mm, slender. Flower: calyx 7--10 mm, membrane not keeled; corolla bright pink to white, tube 10--15 mm, lobes obcordate to deeply 2-lobed; stamens short, anthers in corolla tube; style 0.4--2 mm, stigmas > style.
Ecology: Rocky, wooded slopes, sagebrush scrub; Elevation: 500--2400 m. Bioregional Distribution: KR, NCoR, CaR, SN; Distribution Outside California: to British Columbia, Montana. Flowering Time: Apr--Jun Note: Several subspecies named; study needed.
Synonyms: Phlox speciosa subsp. nitida (Suksd.) Wherry; Phlox speciosa subsp. occidentalis (Durand) Wherry
eFlora Treatment Author: Carolyn J. Ferguson, Suzanne C. Strakosh & Robert Patterson
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botanical illustration including Phlox speciosa


Citation for this treatment: Carolyn J. Ferguson, Suzanne C. Strakosh & Robert Patterson 2017. Phlox speciosa, in Jepson Flora Project (eds.) Jepson eFlora,, accessed on September 20, 2017.

Citation for the whole project: Jepson Flora Project (eds.) 2017. Jepson eFlora,, accessed on September 20, 2017.

Phlox speciosa
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© 2006 Christopher L. Christie
Phlox speciosa subsp. occidentalis
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© 2008 Keir Morse
Phlox speciosa
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© 2011 Steve Matson
Phlox speciosa
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© 2012 Gary A. Monroe
Phlox speciosa
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© 2011 Julie Kierstead Nelson
Phlox speciosa
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© 2006 Christopher L. Christie

More photos of Phlox speciosa in CalPhotos

Geographic subdivisions for Phlox speciosa:
KR, NCoR, CaR, SN;
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.
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).

View elevation by latitude chart
Data provided by the participants of the Consortium of California Herbaria.
View all CCH records

CCH collections by month

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