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

Hypericum androsaemum L.
tutsan (sweet-amber)
Clusiaceae

Introduction to Vascular Plants

Distribution of Hypericum androsaemum
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Species Information

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Illustration Source: The Illustrated Flora of British Columbia

General:
Perennial shrub, partially evergreen; stems erect, few branched, up to 80 cm tall.

Leaves:
Stem leaves rounded, unstalked, obtuse, 3-15 cm long, glabrous with minute translucent glands.

Flowers:
Inflorescence few flowered, spreading on the branches; petals yellow, 6-10 mm long; sepals rounded, obtuse, unequal, persistent and deflexed in fruit; stamens about equal to the petals; styles 3, shorter than the ovary.

Fruits:
Berries, purplish-black, 7-10 mm long.

Source: The Illustrated Flora of British Columbia

Habitat / Range

Moist meadows, ditches and thickets in the lowland zone; rare in SW BC, known only from the lower Fraser Valley; introduced from Europe.

Source: The Illustrated Flora of British Columbia

Ecology

Ecological Framework for Hypericum androsaemum

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)	170	245	320
Slope Gradient (%)	3	9	15
Aspect (degrees) [0 - N; 90 - E; 180 - S; 270 - W]	110	190	270
Soil Moisture Regime (SMR) [0 - very xeric; 4 - mesic; 8 - hydric]	3	3	3
Modal Nutrient Regime Class	C
Number of field plots species was recorded in:	2
Modal BEC Zone Class	IDF
All BEC Zones (# of stations/zone) species was recorded in:	IDF(2)
Source: Klinkenberg 2020

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.

Status Information

Origin Status	Provincial Status	BC List (Red Blue List)	COSEWIC
Exotic	SNA	Exotic	Not Listed

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

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

UBC Herbarium Scanned Collection Record
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: 2024-05-12 6:26:16 PM ]

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