Eriogonum flavum Nutt.
yellow buckwheat (alpine golden buckwheat)
Polygonaceae (Buckwheat family)
Introduction to Vascular Plants
yellow buckwheat (alpine golden buckwheat)
Polygonaceae (Buckwheat family)
Introduction to Vascular Plants
SUBTAXA PRESENT IN BC
Eriogonum flavum var. piperi
Species Information
General:
Perennial herb from a stout, woody taproot and short, thick, usually partially subterranean stem-base, forming thick mats up to 30 cm wide; stems prostrate to ascending, simple, several, 5-20 cm tall/long, white-woolly.
Leaves:
Basal leaves linear to oblanceolate, usually white- or greyish-hairy beneath, grey to greenish above, the blades 3-7 cm long, the stalks up to 2 cm long; stem leaves lacking.
Flowers:
Inflorescence a simple umbel, subtended by 4-6 usually leaflike, sometimes reduced, bracts; flower stalks naked; involucres narrowly bell-shaped, hairy, 3-8 mm long, squared off at the tip or with 4-5 shallow, erect to slightly spreading lobes; perianths yellowish or rose-tinged with long, stalk-like bases, soft-hairy throughout, 3-6 mm long, deeply 6-lobed.
Fruits:
Achenes, 3-angled, slightly hairy above the middle, about 4 mm long.
Ecology
Ecological Framework for Eriogonum flavum
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) |
1601 | 760 | 2089 |
| Slope
Gradient (%) |
45 | 0 | 75 |
|
Aspect (degrees) |
177 | 13 | 220 |
| Soil
Moisture Regime (SMR) [0 - very xeric; 4 - mesic; 8 - hydric] |
2 | 0 | 4 |
| Modal
Nutrient Regime
Class |
C | ||
| #
of field plots species was recorded in: |
20 | ||
| Modal
BEC Zone Class |
AT | ||
|
All BEC Zones (# of stations/zone) species was recorded in |
AT(10), IDF(2), MS(4), PP(3) | ||
|
Source:
Klinkenberg 2013
|
|||
Habitat and Range
Dry grasslands, shrublands, rock outcrops and scree slopes from the steppe to alpine zones; locally infrequent in SE BC; E to AB and S to ID, MT and OR; disjunct in S YT.Status Information
Synonyms
Synonyms and Alternate Names:
Eriogonum flavum subsp. piperi (Greene) S. Stokes
Eriogonum flavum var. linguifolium Gandog.
Eriogonum piperi Greene