Gentianella amarella subsp. acuta (L.) Börner (Michx.) J.M. Gillett
northern gentian (autumn dwarf gentian)
Gentianaceae (Gentian family)
Introduction to Vascular Plants
northern gentian (autumn dwarf gentian)
Gentianaceae (Gentian family)
Introduction to Vascular Plants
Map
Distribution of Gentianella amarella subsp. acuta
Click here to view the full interactive map and legend
Species Information
General:
Annual herb from a taproot; stems ascending to erect, several, simple or branched, 5-55 cm tall.
Leaves:
Basal leaves oblanceolate but soon deciduous; stem leaves opposite, lanceolate to egg-shaped, 1-6 cm long, 3-15 mm wide, not joined at the base, somewhat purplish.
Flowers:
Inflorescence of open to dense axillary or terminal clusters of few to several stalked flowers, the stalks shorter than the adjacent internode; corollas bluish-purple or pink to yellow-green, 10-15 mm long, tubular, 5-lobed, the lobes fringed in the throat; calyces 5-7 mm long, 5-lobed, the lobes longer than the tubes and the margins entire; stamens shorter than the corolla tubes; anthers 1 mm long.
Fruits:
Capsules, cylindric; seeds egg-shaped to spheric, wingless, nearly glabrous, yellow to light brown, 0.5-0.8 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 Gentianella amarella ssp. acuta
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) |
1156 | 600 | 1698 |
| Slope
Gradient (%) |
26 | 4 | 70 |
|
Aspect (degrees) |
254 | 160 | 325 |
| Soil
Moisture Regime (SMR) [0 - very xeric; 4 - mesic; 8 - hydric] |
3 | 2 | 7 |
| Modal
Nutrient Regime
Class |
C | ||
| #
of field plots species was recorded in: |
6 | ||
| Modal
BEC Zone Class |
IDF | ||
|
All BEC Zones (# of stations/zone) species was recorded in |
ESSF(2), IDF(2), SBPS(1), SBS(1) | ||
|
Source:
Klinkenberg 2013
|
|||
Habitat and Range
Moist meadows, streambanks, open forests and roadsides in the lowland, steppe and montane zones; common in BC east of the Coast-Cascade Mountains, less frequent westward; amphiberingian, N to AK, YT and NT, E to NF and S to VT, NM, CA and MX; Eurasia.Status Information
Synonyms
Synonyms and Alternate Names:
Amarella acuta (Michx.) Raf.
Amarella plebeja (Ledeb. ex Spreng.) Greene
Amarella plebeja var. holmii (Wettst.) Rydb.
Amarella strictiflora (Rydb.) Greene
Gentiana acuta Michx.
Gentiana amarella auct. non L. p.p.
Gentiana amarella subsp. acuta (Michx.) HultTn
Gentiana amarella var. acuta (Michx.) Herder
Gentiana amarella var. plebeja (Ledeb. ex Spreng.) HultTn
Gentiana amarella var. stricta (Griseb.) S. Wats.
Gentiana plebeja Ledeb. ex Spreng.
Gentiana plebeja var. holmii Wettst.
Gentiana strictiflora (Rydb.) A. Nels.
Gentianella acuta (Michx.) Hiitonen
Gentianella amarella var. acuta (Michx.) Herder
Gentianella strictiflora (Rydb.) W.A. Weber