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

Yabea microcarpa (Hook. & Arn.) Koso-Pol.
California hedge-parsley (false carrot)

Introduction to Vascular Plants

© Adolf Ceska  Email the photographer   (Photo ID #11286)

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Distribution of Yabea microcarpa
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Species Information

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Slender annual herb from a taproot, 10-40 cm tall, sometimes branched.
Basal and stem leaves compound, stalked, pinnately dissected into narrow segments; leaf blades 2-6 cm long.
Inflorescence of compound umbels; spokes 1-9, 1-8 cm long; flowers white, the petals broadening from the base; calyx with teeth; involucel bractlets well-developed, leaflike.
Oblong, 3-7 mm long, with hooked prickles along the ribs, laterally compressed, beakless.

Source: The Illustrated Flora of British Columbia

Habitat / Range

Moist vernal sites and streambanks in the lowland zone; rare in SW BC, known from SE Vancouver Island and the Gulf Islands; S to ID and MX.

Source: The Illustrated Flora of British Columbia


Ecological Framework for Yabea microcarpa

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




Elevation (metres) 225 225 225
Slope Gradient (%) 84 84 84
Aspect (degrees)
[0 - N; 90 - E; 180 - S; 270 - W]
260 259 260
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
Modal Nutrient Regime
Number of field plots
 species was recorded in:
Modal BEC Zone Class
All BEC Zones (# of stations/zone) species was recorded in: CDF(1)


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.

Synonyms and Alternate Names

Caucalis microcarpa Hook. & Arn.

Taxonomic and Nomenclatural Links

Additional Photo Sources

General References