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

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

Introduction to Vascular Plants

© Rosemary Taylor  Email the photographer   (Photo ID #60646)

E-Flora BC Static Map
Distribution of Heuchera chlorantha
Click here to view our 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.



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.

Source: The Illustrated Flora of British Columbia

Habitat / 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.

Source: The Illustrated Flora of British Columbia

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

Minimum

Average

Maximum

Elevation (metres) 19 886 2210
Slope Gradient (%) 0 28 85
Aspect (degrees)
[0 - N; 90 - E; 180 - S; 270 - W]
12 74 360
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
1 3 6
Modal Nutrient Regime
Class
C
Number 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)

Climate

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 cool mesothermal.

Taxonomic and Nomenclatural Links

Additional Photo Sources

General References