E-Flora BC: Electronic Atlas of the Flora of British Columbia

Mitella pentandra Hook.
five-stamened mitrewort (fivestamen miterwort)
Saxifragaceae (Saxifrage family)

Introduction to Vascular Plants

© Bryan Kelly-McArthur  Email the photographer   (Photo ID #71531)

E-Flora BC Static Map
Distribution of Mitella pentandra
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Species Information

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Perennial herb from slender rhizomes, sometimes with stolons; stems erect, 20-40 cm tall, glandular- or fine glandular-hairy to almost smooth.
Basal leaves egg-shaped with heart-shaped bases, 2-5 cm wide, slightly longer, shallowly 5- to 9-lobed, doubly sharp-toothed, nearly smooth to stiff-hairy, long-stalked; stem leaves absent or of 1 or 2 membranous bracts.
Inflorescence a spike-like cluster of 6 to 25 flowers, blossoming upward, the flower stalks 2-7 mm long; petals greenish, 2-3 mm long, the claw slender, the blades dissected into 8 (4-10) linear, opposite segments; calyces saucer-shaped, 3-4 mm wide, joined to ovary for part of length; free hypanthium thinly gland-lined, somewhat spreading; calyx lobes 5, triangular, spreading to bent back; stamens 5, opposite the petals.
Capsules; seeds black, veiny-pitted.

Source: The Illustrated Flora of British Columbia

Habitat / Range

Moist to wet woodlands, streambanks, meadows, avalanche tracks and talus slopes from the montane to alpine zones; frequent throughout BC except NE BC; N to AK and YT, E to AB and S to SD, CO, UT, NV and CA.

Source: The Illustrated Flora of British Columbia


Ecological Framework for Mitella pentandra

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




Elevation (metres) 5 1382 2375
Slope Gradient (%) 0 19 420
Aspect (degrees)
[0 - N; 90 - E; 180 - S; 270 - W]
0 305 360
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
1 5 8
Modal Nutrient Regime
Number of field plots
 species was recorded in:
Modal BEC Zone Class
All BEC Zones (# of stations/zone) species was recorded in: AT(1), BAFA(13), BWBS(1), CWH(37), ESSF(380), ICH(58), IDF(11), IMA(1), MH(57), MS(40), SBS(34), SWB(4)


The climate type for this species, as reported in the: "British Columbia plant species codes and selected attributes. Version 6 Database" (Meidinger et al. 2008), is not evaluated, unknown or variable.

Synonyms and Alternate Names

Pectiantia pentandra (Hook.) Rydb.

Taxonomic and Nomenclatural Links

Additional Photo Sources

General References