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

Introduction to Vascular Plants

Photograph

© Brian Klinkenberg     (Photo ID #6089)


Map

E-Flora BC Static Map

Distribution of Phlox longifolia
Click here to view the full interactive map and legend

Species Information

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.

SourceThe Illustrated Flora of British Columbia

Illustration

If more than one illustration is available for a species (e.g., separate illustrations were provided for two subspecies) then links to the separate images will be provided below. Note that individual subspecies or varietal illustrations are not always available.

USDA Species Characteristics

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

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

Avg

Min

Max

Elevation (metres)
543 280 1920
Slope Gradient (%)
24 0 75

Aspect (degrees)
[0 - N; 90 - E; 180 - S; 270 - W]

274 0 360
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
2 1 7
Modal Nutrient Regime
Class
C
# 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)

Habitat and 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.

SourceThe Illustrated Flora of British Columbia

Synonyms

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