E-Flora BC: Electronic Atlas of the Flora of British Columbia

Phlox longifolia Nutt.
long-leaved phlox (longleaf phlox)
Polemoniaceae (Phlox family)

Introduction to Vascular Plants

© Brian Klinkenberg  Email the photographer   (Photo ID #6089)

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Distribution of Phlox longifolia
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Species Information

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General:
Perennial herb from a taproot or branching, underground stem-base; stems somewhat woody at the base, hairless to hairy or glandular (especially in the inflorescence), 10-40 cm tall.
Leaves:
Opposite, linear, 1.5-8 cm long, 1-2.5 mm wide, internodes well-developed.
Flowers:
Inflorescences loose, leafy-bracted, terminal clusters of slender-stalked, sweet-smelling flowers; corollas pink to white, the tube 10-18 mm long, spreading to five wide lobes 7-15 mm long; calyces not glandular, the transparent segments between the green ribs bulging-keeled toward the base; styles 6-15 mm long.
Fruits:
Capsules, 3-chambered, few-seeded.

Source: The Illustrated Flora of British Columbia

USDA Species Characteristics

Flower Colour:
Purple
Blooming Period:
Late Spring
Fruit/Seed characteristics:
Colour: Brown
Present over the Summer
Source:  The USDA

Habitat / Range

Dry, open, rocky sites and sagebrush slopes in the steppe and montane zones; locally frequent in SC BC; S to CO, WY, NM and CA.

Source: The Illustrated Flora of British Columbia

Ecology

Ecological Framework for Phlox longifolia

The table below shows the species-specific information calculated from
original data (BEC database) provided by the BC Ministry of Forests and Range.
(Updated August, 2013)
Site Information
 Value / Class

Minimum

Average

Maximum
Elevation (metres) 280 543 1920
Slope Gradient (%) 0 24 75
Aspect (degrees)
[0 - N; 90 - E; 180 - S; 270 - W] 		0 274 360
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric] 		1 2 7
Modal Nutrient Regime
Class		 C
Number of field plots
 species was recorded in:		 168
Modal BEC Zone Class
 BG
All BEC Zones (# of stations/zone) species was recorded in: BG(119), ESSF(2), IDF(15), PP(28)

Climate

The climate type for this species, as reported in the: "British Columbia plant species codes and selected attributes. Version 6 Database" (Meidinger et al. 2008), is not evaluated, unknown or variable.

Synonyms and Alternate Names

Phlox longifolia subsp. longipes (M.E. Jones) Wherry
Phlox longifolia var. longipes (M.E. Jones) M. Peck
Phlox longifolia var. puberula E.E. Nelson

Taxonomic and Nomenclatural Links


Genetic information (NCBI Taxonomy Database)
 International Plant Names Index
 Taxonomic Information from the World Flora Online
 Integrated Taxonomic Information System

Additional Photo Sources

Images From CalPhoto
UT Austin's Native Plant Database
 Google Image Search
 Flickr Image Search

General References

Google Scholar Search
Family References
 General Botanical References for BC
Recommended citation: Author, Date. Page title. In Klinkenberg, Brian. (Editor) 2020. E-Flora BC: Electronic Atlas of the Plants of British Columbia [eflora.bc.ca]. Lab for Advanced Spatial Analysis, Department of Geography, University of British Columbia, Vancouver. [Accessed: 2024-05-10 7:24:02 AM ]
Disclaimer: The information contained in the E-Flora atlas pages is derived from expert sources as cited in each section. This information is scientifically based. E-Flora also acts as a portal to other sites via deep links. As always, users should refer to the original sources for complete information. E-Flora BC is not responsible for the accuracy or completeness of the original information.
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