Micranthes rufidula
rusty-haired saxifrage
Saxifragaceae (Saxifrage family)
Introduction to Vascular Plants
rusty-haired saxifrage
Saxifragaceae (Saxifrage family)
Introduction to Vascular Plants
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Species Information
General:
Perennial herb from stem-bases with short rhizomes or bulblets; flowering stem 1, 10-20 cm tall, glandular-hairy.
Leaves:
All basal, egg-shaped to occasionally diamond-shaped, 4-10 cm long, 1-3 cm wide, coarsely and regularly toothed with 15 to 30 teeth, wedge-shaped to blunt at base, fringed, usually densely rusty-woolly below, stalks 4-8 cm long.
Flowers:
Inflorescence terminal, usually open, of several clusters of flowers, flat-topped; petals white, pink or green, 1.5-3.5 mm long, egg-shaped, clawed, deciduous; calyces joined to the lower portion of the ovary, free hypanthium present, the lobes egg-shaped, 1-2.5 mm long, spreading, reddish-hairy; stamens 10.
Fruits:
Follicles, 3-6 mm long, greenish to reddish-purple; seeds brownish, about 0.7 mm long, wrinkled lengthwise.
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.
Illustration Source: The Illustrated Flora of British Columbia
Ecology
Ecological Framework for Micranthes rufidula
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)
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) |
2154 | 2014 | 2240 |
| Slope
Gradient (%) |
44 | 20 | 85 |
|
Aspect (degrees) |
186 | 133 | 350 |
| Soil
Moisture Regime (SMR) [0 - very xeric; 4 - mesic; 8 - hydric] |
1 | 0 | 4 |
| Modal
Nutrient Regime
Class |
C | ||
| #
of field plots species was recorded in: |
7 | ||
| Modal
BEC Zone Class |
ESSF | ||
|
All BEC Zones (# of stations/zone) species was recorded in |
AT(1), ESSF(5), IMA(1) | ||
|
Source:
Klinkenberg 2013
|
|||
Habitat and Range
Moist to dry rock outcrops in the lowland to alpine zones; frequent on Vancouver Island and the Gulf Islands, rare on the adjacent mainland; S to WA, OR and CA.Status Information
Synonyms
Synonyms and Alternate Names:
Saxifraga rufidula (Small) Macoun