E-Flora BC: Electronic Atlas of the Flora of British Columbia

Lomatium geyeri (S. Watson) J.M. Coult. & Rose
Apiaceae

Introduction to Vascular Plants

Distribution of Lomatium geyeri
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Species Information

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Illustration Source: The Illustrated Flora of British Columbia

General:
Stout perennial herb from a taproot, subglobose-thickened to more elongate and necklace-like; stems solitary, glabrous, 15-30 (40) cm tall.

Leaves:
All basal, finely dissected, fernlike, 1-3 times divided, glabrous; ultimate segments of the leaves narrow and scarcely leaflike, usually less than 5 mm wide.

Flowers:
Inflorescence of compound umbels; flowers white or sometimes purplish, rarely purple; involucel bractlets 2-3 mm long, narrow lanceolate.

Fruits:
Oblong to elliptic, 7-12 mm long, wings more than 1 mm wide.

Source: The Illustrated Flora of British Columbia

Habitat / Range

Dry slopes in the steppe and montane zones; frequent in SC and SE BC; S to ID and WA.

Source: The Illustrated Flora of British Columbia

Ecology

Ecological Framework for Lomatium geyeri

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
Site Information	Minimum	Average	Maximum
Elevation (metres)	330	723	1469
Slope Gradient (%)	10	40	90
Aspect (degrees) [0 - N; 90 - E; 180 - S; 270 - W]	50	190	360
Soil Moisture Regime (SMR) [0 - very xeric; 4 - mesic; 8 - hydric]	0	2	4
Modal Nutrient Regime Class	C
Number of field plots species was recorded in:	22
Modal BEC Zone Class	IDF
All BEC Zones (# of stations/zone) species was recorded in:	BG(5), ESSF(1), ICH(2), IDF(11), PP(3)
Source: Klinkenberg 2020

Climate

The climate type for this species, as reported in the: "British Columbia plant species codes and selected attributes. Version 6 Database" (Meidinger et al. 2008), is not evaluated, unknown or variable.

Status Information

Origin Status	Provincial Status	BC List (Red Blue List)	COSEWIC
Native	S5	Yellow	Not Listed

BC Ministry of Environment: BC Species and Ecosystems Explorer, the authoritative source for conservation information in British Columbia.

Taxonomic and Nomenclatural Links

Genetic information (NCBI Taxonomy Database)
International Plant Names Index
Taxonomic Information from the World Flora Online
Integrated Taxonomic Information System

Additional Range and Status Information Links

Burke Museum of Natural History (Washington State records)
CalFlora
Consortium of Pacific Northwest Herbaria records
Jepson Interchange
NatureServe Explorer
USDA

Additional Photo Sources

Images From CalPhoto
UT Austin's Native Plant Database
Google Image Search
Flickr Image Search

General References

Google Scholar Search
Family References
General Botanical References for BC

Recommended citation: Author, Date. Page title. In Klinkenberg, Brian. (Editor) 2020. E-Flora BC: Electronic Atlas of the Plants of British Columbia [eflora.bc.ca]. Lab for Advanced Spatial Analysis, Department of Geography, University of British Columbia, Vancouver. [Accessed: 2025-01-21 12:52:25 PM ]

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