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)

E-Flora BC Static Map
Distribution of Potentilla hookeriana
Click here to view the full interactive map and legend
Details about map content are available here
Click on the map dots to view record details.

SUBTAXA PRESENT IN BC
Potentilla hookeriana ssp. hookeriana

Species Information

Click on the image below to view an expanded illustration for this species.



General:
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.
Leaves:
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.
Flowers:
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.
Fruits:
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

Ecology

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

Minimum

Average

Maximum

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
Class
D
Number of field plots
 species was recorded in:
13
Modal BEC Zone Class
BAFA
All BEC Zones (# of stations/zone) species was recorded in: BAFA(5), BWBS(1), ESSF(2), MS(1), SWB(4)

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.

Taxonomic and Nomenclatural Links

Additional Photo Sources

Related Databases

General References