© Daniel Mosquin (Photo ID #59546)
General:
Perennial herb from a stout branched rhizome or woody stem-base with fibrous roots; stems erect, solitary, simple below the inflorescence, smooth or nearly so, 10-40 cm tall.
Leaves:
Basal leaves spoon-shaped to egg-shaped, up to 8 cm long and 3 cm wide, mostly simple, smooth, long-stalked; stem leaves opposite, 2-4 pairs, up to 5 cm long and 2.5 cm wide, pinnately cleft with 1-7 pairs of lateral lobes, the terminal lobe narrowly oblong, short-stalked or unstalked.
Flowers:
Inflorescence a compact, round-topped cluster of either male and female or only female flowers; corollas white, 2-4 mm long, lobed, the lobes about equal to the tubes; calyces with 9-15 feathery segments; stamens well exserted.
Fruits:
Achenes, lanceolate, 3-5 mm long, up to 2 mm wide, smooth.
Notes:
The North American plants, recognized as ssp. sylvatica, are closely related to and not always easily distinguished from the Eurasian ssp. dioica.
Site Information |
Value / Class |
||
Avg |
Min |
Max |
|
Elevation
(metres) |
1401 | 6 | 2425 |
Slope
Gradient (%) |
10 | 0 | 90 |
Aspect (degrees) |
188 | 5 | 360 |
Soil
Moisture Regime (SMR) [0 - very xeric; 4 - mesic; 8 - hydric] |
5 | 2 | 8 |
Modal
Nutrient Regime
Class |
D | ||
#
of field plots species was recorded in: |
192 | ||
Modal
BEC Zone Class |
ESSF | ||
All BEC Zones (# of stations/zone) species was recorded in |
BAFA(1), BWBS(15), ESSF(64), ICH(1), IDF(10), IMA(1), MS(25), SBPS(40), SBS(19), SWB(8) | ||
Source:
Klinkenberg 2013
|