Lomatium ambiguum (Nutt.) J.M. Coult. & Rose
swale desert-parsley (Wyeth biscuitroot)
Apiaceae
Introduction to Vascular Plants
swale desert-parsley (Wyeth biscuitroot)
Apiaceae
Introduction to Vascular Plants
Species Information
General:
Stout, glabrous perennial herb from a globose thickened or necklace-like to elongate and slender taproot; stems 10-80 cm tall, erect, sometimes branching.
Leaves:
All basal, compoundly dissected, glabrous; ultimate segments of the leaves narrow and scarcely leaflike, less than 5 mm wide.
Flowers:
Inflorescence of compound umbels; flowers usually yellow or sometimes white, sometimes purple; involucels generally wanting.
Fruits:
Linear to narrowly oblong, mostly 3-8 times as long as wide (less than 4 mm wide), wings evident but narrow, less than 1/3 as wide as the body or obsolete.
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 Lomatium ambiguum
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) |
990 | 350 | 1858 |
| Slope
Gradient (%) |
35 | 0 | 360 |
|
Aspect (degrees) |
173 | 14 | 360 |
| Soil
Moisture Regime (SMR) [0 - very xeric; 4 - mesic; 8 - hydric] |
1 | 0 | 4 |
| Modal
Nutrient Regime
Class |
C | ||
| #
of field plots species was recorded in: |
99 | ||
| Modal
BEC Zone Class |
IDF | ||
|
All BEC Zones (# of stations/zone) species was recorded in |
BG(10), ESSF(7), ICH(4), IDF(42), MS(13), PP(22) | ||
|
Source:
Klinkenberg 2013
|
|||
Habitat and Range
Dry rocky slopes, grasslands and shrublands in the steppe and montane zones; frequent in S BC east of the Coast-Cascade Mountains, rare westward; S to WY, UT and OR.Status Information
Synonyms
Synonyms and Alternate Names:
Peucedanum ambiguum (Nutt.) Nutt. ex Torr. & A. Gray