Persicaria hydropiperoides (Michx.) Small
water-pepper
Polygonaceae (Buckwheat family)
Introduction to Vascular Plants
water-pepper
Polygonaceae (Buckwheat family)
Introduction to Vascular Plants
Map
Distribution of Persicaria hydropiperoides
Click here to view the full interactive map and legend
Species Information
General:
Perennial herb from a rhizome; stems ascending to erect, several, simple, rooting freely, 20-100 cm tall.
Leaves:
Basal leaves lacking; stem leaves alternate, lanceolate or oblong-lanceolate, smooth to appressed hairy, the blades 5-12 cm long, slightly reduced upward, the stalks short; stipules 1-2 cm long, appressed hairy and fringed with hairs at the top.
Flowers:
Inflorescence of 2 or sometimes 3, slender, spikelike racemes, 6-10 cm long; perianths greenish to white or pinkish, 2.5-3 mm long, 5-lobed slightly more than 1/2 the distance to the base; stamens 8.
Fruits:
Achenes, 3-angled, brown or black, smooth and shiny, 2.5-3 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 Persicaria hydropiperoides
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) |
1035 | 990 | 1080 |
| 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 |
D | ||
| #
of field plots species was recorded in: |
2 | ||
| Modal
BEC Zone Class |
IDF | ||
|
All BEC Zones (# of stations/zone) species was recorded in |
IDF(2) | ||
|
Source:
Klinkenberg 2013
|
|||
Habitat and Range
Wet swampy sites, shorelines and shallow water in the lowland zone; rare in SW BC; E to NB and NS and S to FL, TX and MX; S. America.Status Information
Synonyms
Synonyms and Alternate Names:
Persicaria hydropiperoides var. breviciliata (Fernald) C.F. Reed
Persicaria hydropiperoides var. euronotora (Fernald) C.F. Reed
Persicaria hydropiperoides var. opelousana (Riddell ex Small) J.S. Wilson
Persicaria opelousana (Riddell ex Small) Small
Persicaria paludicola Small
Persicaria persicarioides (Kunth) Small
Polygonum hydropiperoides Michx.
Polygonum hydropiperoides var. adenocalyx (Stanford) Gleason
Polygonum hydropiperoides var. asperifolium Stanford
Polygonum hydropiperoides var. breviciliatum Fernald
Polygonum hydropiperoides var. bushianum Stanford
Polygonum hydropiperoides var. digitatum Fernald
Polygonum hydropiperoides var. euronotorum Fernald
Polygonum hydropiperoides var. hydropiperoides
Polygonum hydropiperoides var. opelousanum (Riddell ex Small) Riddell ex W. Stone
Polygonum hydropiperoides var. psilostachyum H. St. John
Polygonum hydropiperoides var. strigosum (Small) Stanford
Polygonum opelousanum Riddell ex Small
Polygonum opelousanum var. adenocalyx Stanford
Polygonum persicarioides Kunth