Polygonum polygaloides Wall. ex Meisn.
milkwort knotweed (close-flowered knotweed (ssp. confertiflorum); Kellogg's knotweed (ssp. kelloggii))
Polygonaceae (Buckwheat family)
Introduction to Vascular Plants
milkwort knotweed (close-flowered knotweed (ssp. confertiflorum); Kellogg's knotweed (ssp. kelloggii))
Polygonaceae (Buckwheat family)
Introduction to Vascular Plants
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SUBTAXA PRESENT IN BC
Species Information
General:
Annual herb from a taproot; stems erect or ascending, solitary, usually freely branched, smooth, angled, 1-15 cm tall.
Leaves:
Basal leaves lacking; stem leaves alternate, linear, the blades 10-40 mm long, unstalked; stipules ragged, 4-8 mm long.
Flowers:
Inflorescence a terminal, spikelike raceme, closely crowded and usually overlapping, in groups of 1-4 in the axils of white- or green-margined floral bracts; perianths 2-3 mm long, white to red, unequally 5-lobed 2/3 the distance to the base.
Fruits:
Achenes 3-angled, brown to nearly black, dull or shiny, smooth or longitudinally lined, 1.5-2 mm long, sometimes difficult to separate.
Notes:
Two subspecies occur in our region.
1. Floral bract margins white; achenes brown to nearly black; usually dull, longitudinally grooved......................... ssp. confertiflorum (Piper) Hickman
1. Floral bract margins green; achenes brown, usually shiny, smooth......................... ssp. kelloggii (Greene) Hickman
Ecology
Ecological Framework for Polygonum polygaloides
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) |
1473 | 861 | 2109 |
| Slope
Gradient (%) |
19 | 0 | 50 |
|
Aspect (degrees) |
230 | 183 | 309 |
| Soil
Moisture Regime (SMR) [0 - very xeric; 4 - mesic; 8 - hydric] |
2 | 0 | 5 |
| Modal
Nutrient Regime
Class |
B | ||
| #
of field plots species was recorded in: |
10 | ||
| Modal
BEC Zone Class |
SBS | ||
|
All BEC Zones (# of stations/zone) species was recorded in |
AT(1), CMA(2), ESSF(2), MS(1), SBS(2), SWB(2) | ||
|
Source:
Klinkenberg 2013
|
|||