Rumex lapponicus (Hiitonen) Czern.
green sorrel (Lapland mountain sorrel)
Polygonaceae (Buckwheat family)
Introduction to Vascular Plants
green sorrel (Lapland mountain sorrel)
Polygonaceae (Buckwheat family)
Introduction to Vascular Plants
Species Information
General:
Perennial dioecious (male and female flowers on separate plants) herb from a taproot surmounted by simple or branched crown, with coarse roots; stems erect, solitary to several, simple (below the inflorescence), 30-100 cm tall, stout, ribbed, smooth.
Leaves:
Basal leaves oblong to oblong-lanceolate, at least the lower ones arrowhead-shaped with the lobes pointing downward, smooth, the blades 2-10 cm long, the stalks long; stem leaves alternate, similar, becoming short stalked or unstalked (and clasping) above.
Flowers:
Inflorescence of numerous, unisexual flowers in large, elongate panicles, 10-20 cm long; flower stalks jointed near middle; perianths reddish, outer segments about 1.5-3 mm long, becoming sharply reflexed, inner segments erect, 3-4 mm long, loosely enclosing the achenes in fruit, with a small, basal, grain-like swelling.
Fruits:
Achenes, dark brown, smooth, 2-2.5 mm long.
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 Rumex lapponicus
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) |
1740 | 1300 | 2140 |
| Slope
Gradient (%) |
22 | 0 | 75 |
|
Aspect (degrees) |
160 | 80 | 230 |
| Soil
Moisture Regime (SMR) [0 - very xeric; 4 - mesic; 8 - hydric] |
3 | 2 | 6 |
| Modal
Nutrient Regime
Class |
D | ||
| #
of field plots species was recorded in: |
13 | ||
| Modal
BEC Zone Class |
BAFA | ||
|
All BEC Zones (# of stations/zone) species was recorded in |
AT(1), BAFA(6), ESSF(3), SWB(3) | ||
|
Source:
Klinkenberg 2013
|
|||
Habitat and Range
Moist to mesic meadows, streambanks, thickets and forest openings in the montane to alpine zones (ssp. alpestris), mesic to dry roadsides and waste places in the montane zone (ssp. acetosa); ssp. alpestris - common in N BC east of the Coast-Cascade Mountains, infrequent in S BC east of the Coast-Cascade Mountains, ssp. acetosa - rare in S BC; ssp. alpestris N to AK, YT and NT, and E to Greenland, ssp. acetosa introduced from Eurasia.Status Information
Synonyms
Synonyms and Alternate Names:
Rumex acetosa subsp. lapponicus Hiitonen
Acetosa alpestris subsp. lapponica (Hiitonen) A. L÷ve
Acetosa lapponica (Hiitonen) Holub
Rumex acetosa subsp. alpestris (Jacq.) Á. Löve
Rumex acetosa subsp. arifolius
Rumex alpestris subsp. lapponicus (Hiitonen) J. Jalas