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

Potentilla hookeriana Lehm.
Hooker's Cinquefoil (Graceful Cinquefoil)
Rosaceae (Rose family)

Introduction to Vascular Plants

© Alfred Cook  Email the photographer   (Photo ID #8621)

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Distribution of Potentilla hookeriana
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Potentilla hookeriana ssp. hookeriana

Species Information

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Perennial herb from a short rhizome and branched stem-base; stems few to several, loosely tufted, ascending to erect, 10-40 cm tall, short-curly-hairy and spreading-long-hairy but not woolly.
Basal leaves few, palmately compound, the stalks spreading-soft-hairy but not woolly; leaflets 3 (to 5), egg- to wedge-shaped, 0.5-2 cm long, deeply sharp-toothed, greenish and sparsely appressed-hairy above, white-woolly and rarely also long-hairy beneath; stem leaves alternate, 1 or 2, unstalked, reduced upward.
Inflorescence a loose open cluster of 2 to 7 stalked flowers; corollas yellow, bowl-shaped, the petals 5, heart-shaped, 4-7 mm long, shallowly notched at the tip; calyces silky-hairy, 5-lobed, the lobes lanceolate, 3-4 mm long, alternating with 5 linear-lanceolate bractlets shorter than the calyx-lobes; ovaries superior, the styles warty-thickened at the base; stamens usually 20.
Achenes, several to many, clustered, lopsided-egg-shaped, about 1 mm long, smooth.

Source: The Illustrated Flora of British Columbia

Habitat / Range

Dry to mesic, open rocky slopes and outcrops, gravel bars and tundra in the montane to alpine zones; infrequent in BC east of the Coast-Cascade Mountains; amphiberingian, N to AK and E to SK; Siberia.

Source: The Illustrated Flora of British Columbia


Ecological Framework for Potentilla hookeriana

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) 520 1533 2120
Slope Gradient (%) 5 29 60
Aspect (degrees)
[0 - N; 90 - E; 180 - S; 270 - W]
54 201 280
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
0 1 4
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: BAFA(5), BWBS(1), ESSF(2), MS(1), SWB(4)


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.

Taxonomic and Nomenclatural Links

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