Mitellastra caulescens
leafy mitrewort
Saxifragaceae (Saxifrage family)

Introduction to Vascular Plants

Photograph

© Ryan Batten     (Photo ID #66937)


Map

E-Flora BC Static Map

Distribution of Mitellastra caulescens
Click here to view the full interactive map and legend

Species Information

General:
Perennial herb from slender rhizomes; stems erect, 20-40 cm tall, glandular-hairy, sparsely leafy.
Leaves:
Basal leaves heart-shaped, 2-7 cm wide, usually 5-lobed about 1/4 to 1/3 their length, sharp-toothed, sparsely coarse-hairy, at least above, long-stalked; stem leaves 1 to 3, similar to the basal but much reduced.
Flowers:
Inflorescence a loosely flowered spike-like cluster of up to 25 flowers, blossoming from top downward, the flower stalks 2-8 mm long; petals yellow-green, the claw slender, the blades dissected into 8 (4-7) linear, opposite, and usually glandular segments; calyces broadly bell-shaped, greenish, 5-6 mm wide, joined to ovary for about 1/3 length; free hypanthium thinly gland-lined, somewhat spreading, about length of lobes; calyx lobes 5, alternate with petals, triangular-egg-shaped; stamens 5, opposite the calyx lobes.
Fruits:
Capsules; seeds black, veiny-pitted.

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 Mitellastra caulescens

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)
709 190 1744
Slope Gradient (%)
3 0 10

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

319 320 320
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
5 5 6
Modal Nutrient Regime
Class
E
# of field plots
 species was recorded in:
3
Modal BEC Zone Class
CWH

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

CWH(2), ESSF(1)

Habitat and Range

Wet to moist meadows and woodlands in the lowland and montane zones; rare on S Vancouver Island and the lower Fraser Valley; S to ID, MT, and CA.

SourceThe Illustrated Flora of British Columbia

Synonyms

Synonyms and Alternate Names:
Mitella caulescens Nutt.