Jepson eFlora: Taxon page
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Dipsacus sativus

Higher Taxonomy
Family: DipsacaceaeView DescriptionDichotomous Key

Habit: Annual to perennial herb [(shrub)], armed or not. Stem: generally branched. Leaf: simple, generally in basal rosettes and cauline, generally opposite, +- fused around stem, entire, toothed, or pinnately lobed or dissected, petioled or not; stipules 0. Inflorescence: head, terminal, on long peduncle, many-flowered, dense, +- spheric or cylindric, subtended by involucre; each flower generally +- enclosed by involucel of 1--2 generally fused bractlets, this generally expanded above or in fruit, generally subtended by 1 receptacle bract. Flower: bisexual, +- bilateral, especially outermost; calyx limb cup-shaped or divided into 4--5(10) linear or bristle-like segments; corolla +- funnel-shaped, lobes 4--5, < tube, generally unequal; stamens generally 4, attached to corolla tube, alternate lobes; ovary inferior, 1-chambered, style +- exserted from corolla, stigma generally 2-lobed. Fruit: achene, enclosed by sometimes enlarged involucel, generally topped by persistent calyx.
Genera In Family: 10--11 genera, 270--350 species: Europe to eastern Asia, central and southern Africa; several cultivated for ornamental.
eFlora Treatment Author: Charles D. Bell & Elizabeth McClintock
Scientific Editor: Thomas J. Rosatti.
Genus: DipsacusView DescriptionDichotomous Key

Common Name: TEASEL
Habit: Biennial, armed with prickles or spines +- throughout. Stem: erect, generally < 2 m, stout, few-branched, rough-hairy. Leaf: generally < 5 dm, entire or toothed. Inflorescence: generally +- cylindric; involucre bracts unequal, linear, receptacle bract ending in a spine. Flower: calyx limb cup-shaped, persistent; corolla generally lavender (white), tube long, lobes unequal; stamens 4. Fruit: 4-angled, hairy.
Species In Genus: +- 15 species: Europe, western Asia, Africa. Etymology: (Greek: thirst, from leaf bases that in some species hold water)

Dipsacus sativus (L.) Honck.
Leaf: pairs fused to widely fused around stem. Inflorescence: 5--10 cm, ovoid to ovoid-cylindric. Fruit: +- 6--8 mm. Chromosomes: 2n=16,18.
Ecology: Disturbed areas, fields, vacant lots, pastures; Elevation: < 800 m. Bioregional Distribution: NCo, NCoRO, CW, PR; Distribution Outside California: native to Europe. Flowering Time: May--Jul Note: Fruit head long used to raise nap on woolen cloth.
eFlora Treatment Author: Charles D. Bell & Elizabeth McClintock
Jepson Online Interchange
Weed listed by Cal-IPC

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botanical illustration including Dipsacus sativus


Citation for this treatment: Charles D. Bell & Elizabeth McClintock 2016. Dipsacus sativus, in Jepson Flora Project (eds.) Jepson eFlora,, accessed on May 04, 2016.

Citation for the whole project: Jepson Flora Project (eds.) 2016. Jepson eFlora,, accessed on May 04, 2016.

Dipsacus sativus
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© 2015 Barry Breckling
Dipsacus sativus
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© 2003 George W. Hartwell
Dipsacus sativus
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© 2009 Barry Breckling
Dipsacus sativus
click for enlargement
© 2009 Barry Breckling
Dipsacus sativus
click for enlargement
© 2015 Barry Breckling

More photos of Dipsacus sativus in CalPhotos

Geographic subdivisions for Dipsacus sativus:
Markers link to CCH specimen records. If the markers are obscured, reload the page [or change window size and reload]. Yellow markers indicate records that may provide evidence for eFlora range revision or may have georeferencing or identification issues.
map of distribution 1
(Note: any qualifiers in the taxon distribution description, such as 'northern', 'southern', 'adjacent' etc., are not reflected in the map above, and in some cases indication of a taxon in a subdivision is based on a single collection or author-verified occurence).

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Data provided by the participants of the Consortium of California Herbaria.
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CCH collections by month

Duplicates counted once; synonyms included.
Species do not include records of infraspecific taxa.
Blue line denotes eFlora flowering time.