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

Conioselinum gmelinii (Cham. & Schltdl.) Steud.
Pacific hemlock-parsley (Pacific hemlockparsley)

Introduction to Vascular Plants

© Aaron Baldwin  Email the photographer   (Photo ID #29207)

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Distribution of Conioselinum gmelinii
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Species Information

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Glabrous perennial herb from a short, stout rhizomatous stem-base with a cluster of fleshy roots or a taproot, sometimes glaucous; stems solitary, 0.2-1.2 m tall.
Stem leaves egg-shaped to deltoid in outline, 2-4 times pinnately dissected, with lobed or cleft leaflets; leaflet stalks sheathing at base, the blades 15-30 cm long.
Inflorescence of 1 or more compound umbels; flowers white, small, numerous in 8-30 small, compact heads; involucral bracts linear, 1-few or lacking.
Oblong-oval, 5.0-8.5 mm long, glabrous, ribbed, the lateral ribs with broad, thin wings.

Source: The Illustrated Flora of British Columbia

Habitat / Range

Moist to mesic coastal bluffs, sandy beaches, tidal marshes and bog woodlands in the lowland zone; common along the coast in BC; N to AK and S to CA.

Source: The Illustrated Flora of British Columbia


Ecological Framework for Conioselinum gmelinii

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) 0 82 622
Slope Gradient (%) 0 20 150
Aspect (degrees)
[0 - N; 90 - E; 180 - S; 270 - W]
0 333 359
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
1 5 8
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: CWH(62), MH(2)


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 cool mesothermal.

Synonyms and Alternate Names

Conioselinum chinense (L.) Britton, Sterns & Poggenb.
Conioselinum chinense var. pacificum (S. Watson) B. Boivin
Conioselinum pacificum (S. Watson) J.M. Coult. & Rose

Taxonomic and Nomenclatural Links

Additional Photo Sources

General References