Chenopodium atrovirens Rydb.
dark lamb's-quarters (pinyon goosefoot)
Amaranthaceae (Amaranth family)
(Previously in Chenopodiaceae)
Introduction to Vascular Plants
dark lamb's-quarters (pinyon goosefoot)
Amaranthaceae (Amaranth family)
(Previously in Chenopodiaceae)
Introduction to Vascular Plants
Species Information
General:
Annual herb from a taproot; stems erect, solitary, simple to branched, 10-50 cm tall.
Leaves:
Stem leaves lanceolate, usually not arrowhead-shaped, greenish on upper surfaces but sparsely mealy below, stalked, 1-4 cm long, rounded to pointed.
Flowers:
Inflorescence of dense clusters in large terminal and smaller lateral spikes, densely mealy, without stalks.
Fruits:
Thin, membranous envelopes, 1 mm wide; seeds obtusely margined, slightly roughened.
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 Chenopodium atrovirens
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) |
892 | 892 | 892 |
| Slope
Gradient (%) |
0 | 0 | 0 |
|
Aspect (degrees) |
0 | ||
| Soil
Moisture Regime (SMR) [0 - very xeric; 4 - mesic; 8 - hydric] |
7 | 7 | 7 |
| Modal
Nutrient Regime
Class |
E | ||
| #
of field plots species was recorded in: |
1 | ||
| Modal
BEC Zone Class |
IDF | ||
|
All BEC Zones (# of stations/zone) species was recorded in |
IDF(1) | ||
|
Source:
Klinkenberg 2013
|
|||
Habitat and Range
Dry waste places in the montane zone; rare, scattered throughout BC east of the Coast-Cascade Mountains S of 55degreeN; E to AB and S to IA, CO, NV and CA.Status Information
Synonyms
Synonyms and Alternate Names:
Chenopodium aridum A. Nels.
Chenopodium fremontii var. atrovirens (Rydb.) Fosberg
Chenopodium wolfii Rydb.