Potentilla hookeriana Lehm.
Hooker's Cinquefoil (Graceful Cinquefoil)
Rosaceae (Rose family)
Introduction to Vascular Plants
Hooker's Cinquefoil (Graceful Cinquefoil)
Rosaceae (Rose family)
Introduction to Vascular Plants
Photograph
© Alfred Cook (Photo ID #8621)
SUBTAXA PRESENT IN BC
Potentilla hookeriana ssp. hookeriana
Species Information
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.
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)
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 |
||
|
Avg |
Min |
Max |
|
| Elevation
(metres) |
1533 | 520 | 2120 |
| Slope
Gradient (%) |
29 | 5 | 60 |
|
Aspect (degrees) |
201 | 54 | 280 |
| Soil
Moisture Regime (SMR) [0 - very xeric; 4 - mesic; 8 - hydric] |
1 | 0 | 4 |
| Modal
Nutrient Regime
Class |
D | ||
| #
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) | ||
|
Source:
Klinkenberg 2013
|
|||