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

Hypericum maculatum subsp. obtusiusculum Crantz
spotted St. John's-wort
Clusiaceae

Introduction to Vascular Plants

Distribution of Hypericum maculatum subsp. obtusiusculum
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Species Information

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Illustration Source: The Illustrated Flora of British Columbia

General:
Perennial herb from a rhizome; stems erect, branched, quadrangular, glabrous, 15-100 cm tall.

Leaves:
Stem leaves elliptic, unstalked, obtuse, glabrous with a few scattered glands and black marginal dots, 1.5-4.0 cm long, 1.0-2.5 cm wide.

Flowers:
Inflorescence 20-60 flowered; petals golden yellow, with elongated black dots and streaks, up to 12 mm long; sepals rounded, about 5 mm long; stamens in 3 bundles; styles 3.

Fruits:
Membranous capsules, up to 8 mm long; seeds brownish, about 1 mm long, net-veined.

Source: The Illustrated Flora of British Columbia

Habitat / Range

Moist waste places, ditches and forest margins in the lowland zone; infrequent in WC (Prince Rupert) and SW BC (Pemberton and the lower Fraser Valley); introduced from Europe.

Source: The Illustrated Flora of British Columbia

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

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: 2024-11-28 11:00:45 PM ]

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