Leptarrhena pyrolifolia (D. Don) R. Br. ex Ser.
leatherleaf saxifrage (fireleaf leptarrhena)
Saxifragaceae (Saxifrage family)

Introduction to Vascular Plants

Photograph

© Robert Flogaus-Faust     (Photo ID #81274)


Map

E-Flora BC Static Map

Distribution of Leptarrhena pyrolifolia
Click here to view the full interactive map and legend

Species Information

General:
Perennial herb from spreading, horizontal or ascending rhizomes; stems erect, 10-40 cm tall, glandular-hairy above.
Leaves:
Basal leaves leathery, narrowly egg-shaped to elliptic, 3-15 cm long, round-toothed, narrowed at base to a short, broad stalk less than 1/2 length of blade, deep green and shining above, pale green or brownish below, smooth; stem leaves 1 to 3, widely separated, smaller, unstalked, mostly oblong-oblanceolate; stipules membranous, fused to the leaf stalks.
Flowers:
Inflorescence terminal, of several, many-flowered clusters, compact at first, expanding in fruit; petals white or pinkish, 5, clawed, blades spoon-shaped, up to twice length of sepals; calyces deeply saucer-shaped, 2-3 mm wide, joined to ovary only at the base, the free hypanthium lacking; calyx lobes 5, erect, about 1 mm long; stamens 10.
Fruits:
Follicles, 2, 5-7 mm long, reddish or purplish; seeds light brown, 2-3.5 mm, tailed at both ends.

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.

Ecology

Ecological Framework for Leptarrhena pyrolifolia

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)
1528 7 2510
Slope Gradient (%)
12 0 98

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

331 0 360
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
5 0 8
Modal Nutrient Regime
Class
D
# of field plots
 species was recorded in:
771
Modal BEC Zone Class
ESSF

All BEC Zones (# of stations/zone) species was recorded in

AT(11), BAFA(12), BWBS(6), CMA(5), CWH(20), ESSF(545), ICH(27), IDF(3), IMA(3), MH(71), MS(10), PP(1), SBS(13)

Habitat and Range

Moist to wet streambanks and meadows in the montane to alpine zones; frequent throughout BC, except absent in the NE; N to AK, YT and NT, E to AB and S to MT, ID and OR.

SourceThe Illustrated Flora of British Columbia

Synonyms

Synonyms and Alternate Names:
Lepuropetalon amplexifolium (Sternb.) Ser.
Saxifraga amplexifolia Sternb.
Saxifraga calycina subsp. unalaschcensis (Sternb.) HultTn
Saxifraga davurica var. unalaschcensis (Sternb.) Engl.
Saxifraga pyrolifolia D. Don
Saxifraga unalaschcensis Sternb.