Heuchera chlorantha Piper
meadow alumroot (tall alumroot)
Saxifragaceae (Saxifrage family)

Introduction to Vascular Plants

Photograph

© Rosemary Taylor     (Photo ID #60646)


Map

E-Flora BC Static Map

Distribution of Heuchera chlorantha
Click here to view the full interactive map and legend

Species Information

General:
Perennial herb from short, thick rhizomes; stems erect, 40-100 cm tall, conspicuously long-soft-hairy below, glandular-hairy above.
Leaves:
Basal leaves heart-egg- to almost kidney-shaped, 4-8 cm wide, not quite as long, palmately 5- to 9-lobed, the lobes shallow, broadly rounded, doubly-toothed; long-stalked, the stalks densely hairy; stem leaves lacking; stipules membranous, fused to the leaf stalks.
Flowers:
Inflorescence spike-like, densely-flowered, to 15 cm long; bracts membranous; petals white to greenish-yellow, often absent or partly absent, clawed, less than half length of sepals, the blades linear to broadly spoon-shaped; calyces green to greenish-yellow, narrowly bell-shaped, joined to ovary almost to top, the free hypanthium slightly lop-sided, about as long as part joined to ovary, lined with a thick glandular disk, calyx lobes 5, nearly equal, oblong, about as long as rest of calyx, tips blunt to rounded; stamens 5, opposite the calyx lobes.
Fruits:
Capsules, 9-11 mm long, opening along the beaks; seeds dark brown, 0.7-0.8 mm long, with lengthwise rows of slender spines.

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 Heuchera chlorantha

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)
886 19 2210
Slope Gradient (%)
28 0 85

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

74 12 360
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
3 1 6
Modal Nutrient Regime
Class
C
# of field plots
 species was recorded in:
40
Modal BEC Zone Class
IDF

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

CWH(7), ESSF(2), IDF(13), MH(2), MS(2), PP(1), SBS(8)

Habitat and Range

Mesic to moist grassy bluffs, streambanks, meadows, rocky river banks, roadsides and forest margins in the lowland and montane zones; infrequent on the Queen Charlotte Islands, WC BC, S Vancouver Island and the adjacent mainland; S to ID and CA.

SourceThe Illustrated Flora of British Columbia