Lithophragma glabrum Nutt.
smooth fringecup (bulbous woodland-star; smooth woodland star)
Saxifragaceae (Saxifrage family)

Introduction to Vascular Plants

Photograph

© Adolf Ceska     (Photo ID #5822)


Map

E-Flora BC Static Map

Distribution of Lithophragma glabrum
Click here to view the full interactive map and legend

Species Information

General:
Perennial herb from slender rhizomes, with small bulblets; stems erect, 5-25 cm tall, lightly to heavily glandular-hairy throughout, the hairs usually purple-tipped.
Leaves:
Basal leaves round to kidney-shaped, 1-2 cm wide, palmately cleft to the base into (3) 5 segments, these again 3-lobed, smooth or sparsely hairy, often with bulblets in axils; stalks slender, 1-2.5 cm long, with widened stipular bases; stem leaves usually 2, similar to basal or with narrower segments.
Flowers:
Inflorescence a 2- to 5-flowered cluster; petals pinkish or purplish-tinged, 5, clawed, the blades wedge egg-shaped, to 8 mm long, usually 5-cleft, the segments often again deeply divided; calyces bell-shaped, 3-4 mm long (up to 6 mm long in fruit), joined to ovary to about 1 mm, the free hypanthium spreading slightly; calyx lobes 5, triangular, 0.5-1 mm long, tips blunt to rounded; stamens 10.
Fruits:
Capsules; seeds brownish, about 0.5 mm long, with tiny spines.

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 Lithophragma glabrum

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)
904 365 2074
Slope Gradient (%)
38 0 88

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

34 30 360
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
3 0 5
Modal Nutrient Regime
Class
C
# of field plots
 species was recorded in:
38
Modal BEC Zone Class
BG

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

AT(2), BG(16), ESSF(1), IDF(8), MS(2), PP(7), SBS(2)

Habitat and Range

Mesic to dry coastal bluffs, meadows, open coniferous and deciduous forests, grasslands and shrublands in the lowland and steppe to subalpine zones; frequent in S BC; E to SK and S to SD, CO, UT, NV and CA.

SourceThe Illustrated Flora of British Columbia

Synonyms

Synonyms and Alternate Names:
Lithophragma bulbiferum Rydb.
Lithophragma glabrum var. bulbiferum (Rydb.) Jeps.
Lithophragma glabrum var. ramulosum (Suksd.) B. Boivin