Jepson eFlora: Taxon page
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Reseda alba
WHITE MIGNONETTE

Higher Taxonomy
Family: ResedaceaeView DescriptionDichotomous Key

Common Name: MIGNONETTE FAMILY
Habit: Annual to shrub. Leaf: simple, alternate; stipules small, tooth- or gland-like; blade entire to deeply lobed. Inflorescence: raceme or spike, generally terminal. Flower: generally bisexual, small, asymmetric, 1 per bract; sepals 2--8; petals 0--8; disk occasionally present; stamens 3--50+, generally on disk, anthers 2-chambered; carpels 2--8, generally fused, generally open distally, ovary superior, sessile or short-stalked, generally 1-chambered, stigmas beak-like. Fruit: capsule, gaping at top, or berry. Seed: few to many, reniform.
Genera In Family: 6 genera, +- 85 species: northern and eastern hemispheres, especially Mediterranean.
eFlora Treatment Author: Thomas F. Daniel
Scientific Editor: Douglas H. Goldman, Bruce G. Baldwin.
Genus: ResedaView DescriptionDichotomous Key

Common Name: MIGNONETTE
Habit: Annual to perennial herb. Leaf: petioled or not; blade entire to deeply lobed. Flower: sepals 4--8, margins generally white; petals 4--6[8], base generally dilated, limb generally lobed; stamens 10--25[40], on prominent disk; stigmas 3--5. Fruit: capsule.
Species In Genus: +- 65 species: especially Europe, Mediterranean; cultivated as ornamental and naturalized widely. Etymology: (Latin: to calm, from supposed sedative property)

Reseda alba L.
NATURALIZED
Habit: Perennial herb, glabrous. Stem: < 10 dm. Leaf: pinnately lobed; lobes 4--11 per side. Inflorescence: bracts 3.5--9 mm, persistent in fruit; pedicel 2--8 mm. Flower: sepals 5--6; petals 5--6, 4.5--6 mm, alike, +- equally 3-lobed, +- white; stamens 11--13, filaments persistent. Fruit: erect, 4-parted. Seed: 1.2--1.3 mm, rough. Chromosomes: 2n=20,40.
Ecology: Disturbed areas, fields, roadsides; Elevation: < 100 m. Bioregional Distribution: CW, SW (gen coastal); Distribution Outside California: native to Mediterranean. Flowering Time: May--Nov
eFlora Treatment Author: Thomas F. Daniel
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Citation for this treatment: Thomas F. Daniel 2016. Reseda alba, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=41028, accessed on May 04, 2016.

Citation for the whole project: Jepson Flora Project (eds.) 2016. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on May 04, 2016.


Geographic subdivisions for Reseda alba:
CW, SW (gen coastal);
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.
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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.