Lomatium macrocarpum (Nutt. ex Torr. & A. Gray) J.M. Coult. & Rose
large-fruited desert-parsley (bigseed biscuitroot)
Apiaceae

Introduction to Vascular Plants

Photograph

© Bryan Kelly-McArthur     (Photo ID #85852)


Map

E-Flora BC Static Map

Distribution of Lomatium macrocarpum
Click here to view the full interactive map and legend

Species Information

General:
Stout perennial herb from an elongated, thickened taproot or necklace-like or tuberous base, capped by a simple, often subterranean root-crown; stem branched near the base, 12-50 cm tall, spreading or ascending.
Leaves:
All basal, clustered near the ground, finely dissected, greyish, hairy to woolly-hairy; ultimate segments not resembling leaflets, small, narrow, pinnately dissected.
Flowers:
Inflorescence of compound umbels; flowers white or purplish-white, rarely yellow; spokes of the umbel elongating unequally, 2-6 cm long; involucel bractlets narrow, mostly linear or irregularly fused, well-developed and conspicuous.
Fruits:
Oblong to elliptic, 7-28 mm long, glabrous; wings of the fruit narrow to fairly broad.

SourceThe Illustrated Flora of British Columbia

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.

USDA Species Characteristics

Flower Colour:
White
Blooming Period:
Early Spring
Fruit/Seed characteristics:
Colour: Brown
Present over the Spring
Source:  The USDA

Ecology

Ecological Framework for Lomatium macrocarpum

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)
814 10 2217
Slope Gradient (%)
24 0 105

Aspect (degrees)
[0 - N; 90 - E; 180 - S; 270 - W]

193 0 360
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
2 0 6
Modal Nutrient Regime
Class
C
# of field plots
 species was recorded in:
866
Modal BEC Zone Class
BG

All BEC Zones (# of stations/zone) species was recorded in

BG(395), CWH(1), ESSF(34), ICH(2), IDF(226), MS(27), PP(143)

Habitat and Range

Dry rocky or gravelly slopes and grasslands in the lowland, steppe and montane zones; common in SC BC, rare in SW and SE BC; E to MB and S to SD, CO, UT and CA.

SourceThe Illustrated Flora of British Columbia

Synonyms

Synonyms and Alternate Names:
Cogswellia macrocarpa (Nutt. ex Torr. & A. Gray) M.E. Jones
Ferula macrocarpa Hook. & Arn.
Lomatium macrocarpum var. artemisiarum Piper
Lomatium macrocarpum var. ellipticum (Torr. & A. Gray) Jeps.
Peucedanum macrocarpum Nutt. ex Torr. & A. Gray