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

Lomatium dissectum (Nutt.) Mathias & Constance
fern-leaved desert-parsley (fernleaf biscuitroot)
Apiaceae

Introduction to Vascular Plants

Distribution of Lomatium dissectum
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SUBTAXA PRESENT IN BC

Lomatium dissectum var. dissectum

Species Information

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Illustration Source: The Illustrated Flora of British Columbia

General:
Stout perennial herb from a taproot; stems several, 0.5-1.5 (2) m tall.

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

Flowers:
Inflorescence of compound umbels; flowers yellow or purple; bracts of umbellets very narrow.

Fruits:
Oblong to elliptic, 8-18 mm long, with corky-thickened narrow wings.

Notes:
Two varieties occur in BC:

1. Fruits sessile or the stalks short, shorter than sterile flowers..................... var. dissectum

1. Fruits with well-developed (4-20 mm) stalks.............. var. multifidum (Nutt.) Mathias & Const.

Source: The Illustrated Flora of British Columbia

USDA Species Characteristics

Flower Colour:
Purple

Blooming Period:
Early Summer

Fruit/Seed characteristics:
Colour: Brown
Present from Spring to Fall

Source: The USDA

Habitat / Range

Dry grasslands, shrublands, talus and rocky slopes in the steppe and montane zones; var. dissectum rare in S BC, var. multifidum frequent in SC and SE BC; E to SK and S to CO, AZ and CA.

Source: The Illustrated Flora of British Columbia

Ecology

Ecological Framework for Lomatium dissectum

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)	24	1020	2264
Slope Gradient (%)	0	41	110
Aspect (degrees) [0 - N; 90 - E; 180 - S; 270 - W]	5	187	360
Soil Moisture Regime (SMR) [0 - very xeric; 4 - mesic; 8 - hydric]	0	2	7
Modal Nutrient Regime Class	C
Number of field plots species was recorded in:	346
Modal BEC Zone Class	IDF
All BEC Zones (# of stations/zone) species was recorded in:	AT(9), BG(40), CDF(3), ESSF(40), ICH(22), IDF(124), MS(21), PP(71)
Source: Klinkenberg 2020

Ecological Indicator Information

A shade-tolerant/intolerant. montane to subalpine. Western North American forb distributed equally in the Pacific and Cordilleran regions. marginally in the Central region. Occurs on very dry to moderately dry, nitrogen-rich soils (Moder and Mull humus forms) within subalpine boreal, temperate, cool semiarid, and dry mesothermal climates. Sporadic in open-canopy forests on watershedding sites. A nitrophytic species characteristic of moisture-deficient sites.

Source: Indicator Plants of Coastal British Columbia (Information applies to coastal locations only)

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	S2	Red	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: 2024-05-07 6:41:36 PM ]

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