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

Boschniakia hookeri Walp.
Vancouver groundcone (poque)
Orobanchaceae (Broom-rape family)

Introduction to Vascular Plants

Distribution of Boschniakia hookeri
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Species Information

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

Illustration Source: The Illustrated Flora of British Columbia

General:
Parasitic herb from a coarse fleshy root and thickened stem-base; stems single or clustered, stout, up to 3 cm thick above, yellow to red or purple, 8-12 cm tall.

Leaves:
Basal leaves lacking; stem leaves scaly-bracteate, alternate, the bracts entire, overlapping like the bracts on a conifer cone.

Flowers:
Inflorescence of numerous flowers in dense spikes, each flower subtended by a bract; corollas yellow to purple, 1-1.5 cm long with the lower lip shorter than the upper lip; calyces with 2-3 lobes; filaments with tufts of basal hairs.

Fruits:
Capsules, 1-1.5 cm long; seeds numerous, minute, honeycombed.

Source: The Illustrated Flora of British Columbia

Habitat / Range

Parasitic on Gaultheria shallon in moist to mesic forests in the lowland zone; locally frequent on S Vancouver Island and the Gulf Islands, rare on the Queen Charlotte Islands and SW mainland; S to N CA.

Source: The Illustrated Flora of British Columbia

Ecology

Ecological Framework for Boschniakia hookeri

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
Site Information	Minimum	Average	Maximum
Elevation (metres)	2	224	840
Slope Gradient (%)	0	16	80
Aspect (degrees) [0 - N; 90 - E; 180 - S; 270 - W]	10	205	360
Soil Moisture Regime (SMR) [0 - very xeric; 4 - mesic; 8 - hydric]	0	2	7
Modal Nutrient Regime Class	B
Number of field plots species was recorded in:	114
Modal BEC Zone Class	CWH
All BEC Zones (# of stations/zone) species was recorded in:	CWH(114)
Source: Klinkenberg 2020

Ecological Indicator Information

A shade-tolerant/intolerant, submontane to montane, Pacific North American parasite. Occurs in maritime summerdry cool mesothermal climates on nitrogen-poor soils. Its occurrence decreases with increasing latitude, elevation, and continentality. Sparse in open-canopy, Douglas-fir forests on water-shedding sites. Parasitic on Gaultheria shallon. An oxylophytic species characteristic of Mor humus forms

Source: Indicator Plants of Coastal British Columbia (Information applies to coastal locations only)

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 cool mesothermal.

Status Information

Origin Status	Provincial Status	BC List (Red Blue List)	COSEWIC
Unlisted	Unlisted	Unlisted	Unlisted

BC Ministry of Environment: BC Species and Ecosystems Explorer, the authoritative source for conservation information in British Columbia.

Synonyms and Alternate Names

Boschniakia strobilacea A. Gray

Taxonomic and Nomenclatural Links

Genetic information (NCBI Taxonomy Database)
International Plant Names Index
Taxonomic Information from the World Flora Online
Integrated Taxonomic Information System

Additional Range and Status Information Links

Burke Museum of Natural History (Washington State records)
CalFlora
Consortium of Pacific Northwest Herbaria records
Jepson Interchange
NatureServe Explorer
USDA

Additional Photo Sources

Images From CalPhoto
UT Austin's Native Plant Database
Google Image Search
Flickr Image Search

General References

Google Scholar Search
Family References
General Botanical References for BC

Recommended citation: Author, Date. Page title. In Klinkenberg, Brian. (Editor) 2020. E-Flora BC: Electronic Atlas of the Plants of British Columbia [eflora.bc.ca]. Lab for Advanced Spatial Analysis, Department of Geography, University of British Columbia, Vancouver. [Accessed: 2021-04-16 8:22:16 PM ]

Disclaimer: The information contained in the E-Flora atlas pages is derived from expert sources as cited in each section. This information is scientifically based. E-Flora also acts as a portal to other sites via deep links. As always, users should refer to the original sources for complete information. E-Flora BC is not responsible for the accuracy or completeness of the original information.