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Dipsacus fullonum
WILD TEASEL

Higher Taxonomy
Family: DipsacaceaeView DescriptionDichotomous Key

Common Name: TEASEL FAMILY
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 fullonum L.
NATURALIZED
Leaf: pairs generally narrowly fused around stem. Inflorescence: 5--10 cm, ovoid-cylindric. Fruit: 6--8 mm. Chromosomes: 2n=16,18.
Ecology: Roadsides, pastures, fields, sometimes moist sites; Elevation: < 1700 m. Bioregional Distribution: NCo, KR, NCoRO, c&s SNF, CCo, SnFrB; Distribution Outside California: native to Europe. Flowering Time: Apr--Aug
Synonyms: Dipsacus sylvestris Huds.
eFlora Treatment Author: Charles D. Bell & Elizabeth McClintock
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Citation for this treatment: Charles D. Bell & Elizabeth McClintock 2016. Dipsacus fullonum, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=23134, accessed on July 27, 2016.

Citation for the whole project: Jepson Flora Project (eds.) 2016. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on July 27, 2016.


Dipsacus fullonum
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© 2008 Keir Morse
Dipsacus fullonum
click for enlargement
© 2008 Keir Morse
Dipsacus fullonum
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© 2003 George W. Hartwell
Dipsacus fullonum
click for enlargement
© 2008 Keir Morse
Dipsacus fullonum
click for enlargement
© 2009 Gary A. Monroe
Dipsacus fullonum
click for enlargement
© 2009 Gary A. Monroe

More photos of Dipsacus fullonum in CalPhotos


Geographic subdivisions for Dipsacus fullonum:
NCo, KR, NCoRO, c&s SNF, CCo, SnFrB;
Markers link to CCH specimen records. Yellow markers indicate records that may provide evidence for eFlora range revision or may have georeferencing or identification issues. Purple markers indicate specimens collected from a garden, greenhouse, or other non-wild location.
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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.