low sandwort (longstem sandwort)
Caryophyllaceae (Pink family)
Introduction to Vascular Plants
Map
Distribution of Arenaria longipedunculata
Click here to view the full interactive map and legend
Species Information
General:
Perennial herb from a taproot and branching stem-base, rhizomatous; forming mats to 10 cm across; flowering stems erect, 2-4 cm tall.
Leaves:
Basal leaves oblanceolate to elliptic, 3-8 mm long, 1-2 mm wide, sharp-pointed; stem leaves opposite, 1-4 pairs, 3-5 mm long; stipules lacking.
Flowers:
Inflorescence of erect, solitary flowers; petals 5, white, narrowly oblong, 3-4 mm long; sepals 5, egg-shaped, 3-4 mm long, more or less glandular-hairy.
Fruits:
Capsules egg-shaped, 4-6 mm long, 3- or 6-valved; seeds brown, shiny, more or less kidney-shaped, 0.7-0.9 mm long, almost smooth.
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
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) |
1993 | 1993 | 1993 |
| Slope
Gradient (%) |
15 | 15 | 15 |
|
Aspect (degrees) |
190 | 190 | 190 |
| Soil
Moisture Regime (SMR) [0 - very xeric; 4 - mesic; 8 - hydric] |
2 | 2 | 2 |
| Modal
Nutrient Regime
Class |
B | ||
| #
of field plots species was recorded in: |
1 | ||
| Modal
BEC Zone Class |
BAFA | ||
|
All BEC Zones (# of stations/zone) species was recorded in |
BAFA(1) | ||
|
Source:
Klinkenberg 2013
|
|||
Habitat and Range
Moist gravelly sites in the subalpine zone; rare in EC and N BC, known only from Mt. Robson Provincial Park; E to AB and N to AK, YT and NT.Status Information
Synonyms
Synonyms and Alternate Names:
Arenaria humifusa Wahlenb.
Taxonomic Keys
TAXONOMIC KEY TO ARENARIA
1. Plants annuals, erect to ascending, not mat-forming or tufted A. serpyllifolia 1. Plants perennials, tufted or mat-forming. 2. Stems 2-4 cm tall; flowers solitary A. longipedunculata 2. Stems 5-20 cm tall; flowers several in a branching inflorescence A. capillaris |