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

Tanacetum parthenium (L.) Sch. Bip.
feverfew
Asteraceae (Aster family)

Introduction to Vascular Plants

© Jamie Fenneman  Email the photographer   (Photo ID #4078)

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Distribution of Tanacetum parthenium
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Species Information

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General:
Perennial herb from a taproot or woody stem-base; stems erect, simple or several, branched, glabrous below, fine-hairy above, 30-80 cm tall.
Leaves:
Basal leaves lacking; stem leaves egg-shaped to oblong in outline, alternate, stalked, 1-2 times pinnately cut, 4-10 cm long, 1-6 cm wide, coarsely rounded or pointed at the tips, finely hairy, at least beneath.
Flowers:
Heads with ray and disk flowers, several, terminal on the branches in a short, flat- to round-topped inflorescence; involucres 2-3 mm tall; involucral bracts lanceolate, in 2-3 series, keeled, leathery, sparsely hairy with a narrow translucent margin; ray flowers white, mostly 15-30, 1-2 cm long; disk flowers yellow, 2-3 mm long, somewhat glandular below.
Fruits:
Achenes squared off at the top, cylindric or nearly so, 8- to 10-nerved; pappus lacking or a minute crown.

Source: The Illustrated Flora of British Columbia

Habitat / Range

Mesic to dry roadsides, disturbed areas and gardens in the lowland and montane zones; frequent in SW BC, rare in E BC; 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.

Synonyms and Alternate Names

Chrysanthemum parthenium (L.) Bernh.
Matricaria parthenium L.

Taxonomic and Nomenclatural Links

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Related Databases

General References