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

Hieracium caespitosum Dumort.
yellow king devil (meadow hawkweed)
Asteraceae (Aster family)

Introduction to Vascular Plants

© Jamie Fenneman  Email the photographer   (Photo ID #9998)

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Distribution of Hieracium caespitosum
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Species Information

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General:
Perennial herb from a short, stout rhizome and long, leafy stolons; stems erect, solitary, with non-glandular, glandular and starlike hairs, exuding milky juice when broken, 25-90 cm tall.
Leaves:
Basal leaves well-developed, persistent, oblanceolate to spoon-shaped, entire or minutely toothed, stalked, with non-glandular hairs and sometimes starlike hairs below, 5-25 cm long, 1-3 cm wide; stem leaves 1-3, reduced upwards.
Flowers:
Heads with strap-shaped flowers, dense, few to many; involucres 5-9 mm tall; involucral bracts lanceolate, not graduated, with many non-glandular and glandular and a few starlike hairs; ray flowers yellow.
Fruits:
Achenes 1.5-2 mm long; pappus dirty white.

Source: The Illustrated Flora of British Columbia

Habitat / Range

Mesic to dry roadsides, disturbed areas and waste places in the lowland zone; infrequent in SC BC, known from the lower Fraser River valley; introduced from Europe.

Source: The Illustrated Flora of British Columbia

Ecology

Ecological Framework for Hieracium caespitosum

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

Minimum

Average

Maximum
Elevation (metres) 722 793 866
Slope Gradient (%) 0 16 60
Aspect (degrees)
[0 - N; 90 - E; 180 - S; 270 - W] 		110 97 310
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric] 		2 3 6
Modal Nutrient Regime
Class
Number of field plots
 species was recorded in:		 4
Modal BEC Zone Class
 SBS
All BEC Zones (# of stations/zone) species was recorded in: ICH(1), SBS(3)

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.

Synonyms and Alternate Names

Hieracium pratense Tausch

Taxonomic and Nomenclatural Links

Flora North America treatment for Asteraceae
 Flora North America treatment for Hieracium caespitosum
Genetic information (NCBI Taxonomy Database)
 International Plant Names Index
 Taxonomic Information from the World Flora Online
 Integrated Taxonomic Information System

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: 2021-03-05 6:30:24 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.
© E-Flora BC: An initiative of the Spatial Data Lab, Department of Geography UBC, and the UBC Herbarium.