Heuchera richardsonii R. Br.
Richardson's alumroot
Saxifragaceae (Saxifrage family)
Introduction to Vascular Plants
Richardson's alumroot
Saxifragaceae (Saxifrage family)
Introduction to Vascular Plants
Species Information
General:
Perennial herb from stout, branched stem-bases; stems erect, 40-70 cm tall, somewhat stiff-hairy below, with white hairs, glandular-hairy above.
Leaves:
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.
Flowers:
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.
Fruits:
Capsules, opening along the beaks; seeds dark brown, 0.7 mm long, spiny.
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 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)
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) |
1924 | 1853 | 1996 |
| Slope
Gradient (%) |
45 | 40 | 50 |
|
Aspect (degrees) |
200 | 200 | 200 |
| Soil
Moisture Regime (SMR) [0 - very xeric; 4 - mesic; 8 - hydric] |
2 | 2 | 2 |
| Modal
Nutrient Regime
Class |
C | ||
| #
of field plots species was recorded in: |
2 | ||
| Modal
BEC Zone Class |
ESSF | ||
|
All BEC Zones (# of stations/zone) species was recorded in |
ESSF(2) | ||
|
Source:
Klinkenberg 2013
|
|||
Habitat and 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.Status Information
Synonyms
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