UW Burke Herbarium species comparison

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Tanacetum bipinnatum

camphor tansy, dune tansy
Habit Stout herbaceous perennial from rhizomes, the stem 2-6 dm. tall, villous with flattened hairs.
Leaves

Basal leaves well developed and larger than the cauline leaves or wanting;

cauline leaves 5-20 cm. long, bi- or tri-pinnatifid, the ultimate segments blunt or rounded.
Flowers

Heads several in a short, flat-topped inflorescence;

involucre bracts dry, imbricate, the margins and tip scarious; disk 8-15 mm. wide;

rays yellow, pistillate, short, barely surpassing the marginal disk flowers;

disk flowers yellow, perfect, with 5-lobed tubular corolla;

pappus a minute crown.
Fruits

Achene 5-ribbed, glandular.

Tanacetum bipinnatum
Flowering time May-September
Habitat Sand dunes along the coast.
Distribution
Occurring west of the Cascades crest along the coast of Washington; Alaska to California, east across Canada to the Great Lakes region and northeastern North America.
[WildflowerSearch map]
[BONAP county map]
Origin Native
Conservation status Not of concern
Sibling taxa
T. balsamita, T. parthenium, T. vulgare
Web links 
Unless otherwise noted, all data comes from the University of Washington's Burke Herbarium.



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Choose a data source: Flora of North America, OregonFlora, UW Burke Herbarium

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