Boykinia occidentalis Torr. & A. Gray
coast boykinia (coastal brookfoam)
Saxifragaceae (Saxifrage family)
Introduction to Vascular Plants
coast boykinia (coastal brookfoam)
Saxifragaceae (Saxifrage family)
Introduction to Vascular Plants
Species Information
General:
Perennial herb from rhizomes; stems slender, leafy, 15-60 cm tall, brownish- to reddish-hairy, often glandular-hairy.
Leaves:
Basal and lower stem leaves long-stalked, heart- to kidney-shaped, 2-8 cm wide, 5- to 7-cleft to about 1/2 their length, 2- to 3-times sharply-toothed, the teeth bristle-tipped; upper stem leaves unstalked; stipules slightly winged with several, long brownish bristles.
Flowers:
Inflorescence a terminal, open, compound panicle, the stalks reddish, densely glandular; flowers slightly irregular; petals white, 5-6 mm long, spoon-shaped to oblanceolate, short-clawed, deciduous; calyces 4-5 mm long, top- to urn-shaped, lobed about 1/3 length into narrowly lance-shaped segments, the lobes smooth, the base attached to ovary, glandular; stamens 5, shorter than sepals; pistils solitary, the ovary over 1/2 inferior.
Fruits:
Capsules, beaked; seeds black, minutely spiny.
Illustration
If more than one illustration is available for a species (e.g., separate illustrations were provided for two subspecies) then links to the separate images will be provided below. Note that individual subspecies or varietal illustrations are not always available.
Illustration Source: The Illustrated Flora of British Columbia
Ecology
Ecological Framework for Boykinia occidentalis
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) |
190 | 1 | 1620 |
| Slope
Gradient (%) |
13 | 0 | 100 |
|
Aspect (degrees) |
51 | 8 | 360 |
| Soil
Moisture Regime (SMR) [0 - very xeric; 4 - mesic; 8 - hydric] |
5 | 0 | 8 |
| Modal
Nutrient Regime
Class |
D | ||
| #
of field plots species was recorded in: |
113 | ||
| Modal
BEC Zone Class |
CWH | ||
|
All BEC Zones (# of stations/zone) species was recorded in |
CWH(108), MH(1) | ||
|
Source:
Klinkenberg 2013
|
|||
Habitat and Range
Moist woodlands, meadows and streambanks in the lowland and montane zones; frequent on Vancouver Island and the adjacent mainland; S to CA.Status Information
Synonyms
Synonyms and Alternate Names:
Boykinia elata (Nutt.) Greene
Boykinia vancouverensis (Rydb.) Fedde