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

Heuchera richardsonii R. Br.
Richardson's alumroot
Saxifragaceae (Saxifrage family)

Introduction to Vascular Plants

© Jamie Fenneman  Email the photographer   (Photo ID #3837)

E-Flora BC Static Map
Distribution of Heuchera richardsonii
Click here to view the full interactive map and legend
Details about map content are available here
Click on the map dots to view record details.

Species Information

Click on the image below to view an expanded illustration for this species.

Perennial herb from stout, branched stem-bases; stems erect, 40-70 cm tall, somewhat stiff-hairy below, with white hairs, glandular-hairy above.
Basal leaves heart-kidney-shaped, 3-6 cm wide, palmately 7- to 9-lobed, the lobes shallow, toothed, somewhat whitish-hairy below, usually smooth above, stalked, the stalks long, hairy; stem leaves lacking; stipules membranous, fused to the leaf-stalks.
Inflorescence a narrow, many-flowered cluster; petals purplish, 5, clawed, blades spoon-shaped, equal to or slightly longer than sepals; calyces greenish, strongly glandular-hairy, cylinder bell-shaped, joined to ovary to halfway, the free hypanthium lop-sided, 2-4 mm long on one side, less than half that on other; calyx lobes 5, oblong, erect, about length of hypanthium; stamens 5, slightly longer than calyx lobes.
Capsules, opening along the beaks; seeds dark brown, 0.7 mm long, spiny.

Source: The Illustrated Flora of British Columbia

Habitat / Range

Dry sandy grasslands, gravelly lake shores and slopes in the montane zone; locally frequent in NE BC; N to NT, E to ON and S to IN, MO, OK and CO.

Source: The Illustrated Flora of British Columbia


Ecological Framework for Heuchera richardsonii

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) 1853 1924 1996
Slope Gradient (%) 40 45 50
Aspect (degrees)
[0 - N; 90 - E; 180 - S; 270 - W]
200 200 200
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
2 2 2
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: ESSF(2)


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

Heuchera hispida auct. non Pursh
Heuchera richardsonii var. affinis Rosend., Butters & Lakela
Heuchera richardsonii var. grayana Rosend., Butters & Lakela
Heuchera richardsonii var. hispidior Rosend., Butters & Lakela
Heuchera richardsonii var. richardsonii

Taxonomic and Nomenclatural Links

Additional Photo Sources

General References