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Limnanthes douglasii

Higher Taxonomy
Family: LimnanthaceaeView DescriptionDichotomous Key

Common Name: MEADOWFOAM FAMILY
Habit: Annual, glabrous to hairy. Stem: generally branched. Leaf: alternate, deeply pinnately lobed to 1--2-compound; stipules 0. Inflorescence: flowers solitary in axils, pedicelled. Flower: generally bisexual, radial; sepals 3--5, free; petals 3--5, free, white to pink or yellow; stamens 3, 8, or 10, free, generally in 2 whorls; nectary glands at bases of outer stamens; pistil 1, ovary deeply 2--5-lobed, style 1, from base of ovary. Fruit: mericarps 1--5, 1-seeded, ovoid to spheric, generally tubercled. Chromosomes: 2n=10.
Genera In Family: 2 genera, 10 species: temperate North America.
eFlora Treatment Author: Robert Ornduff & Nancy R. Morin
Scientific Editor: Douglas H. Goldman, Bruce G. Baldwin.
Genus: LimnanthesView DescriptionDichotomous Key

Common Name: MEADOWFOAM
Habit: Annual, decumbent to erect. Leaf: generally 1-odd-pinnately lobed or compound; lobes or leaflets entire to deeply lobed. Flower: sepals (4)5; petals (4)5, generally > sepals, tips toothed or jagged; stamens 8 or 10; ovary lobes 4--5. Fruit: mericarps 1--5, 2.5--4 mm, obovoid to nearly spheric, smooth, ridged, or tubercled.
Species In Genus: 7 species: +- coastal western North America. Etymology: (Greek: marsh flower, from habitat) Note: Plants reported as Limnanthes macounii from CCo are variants of Limnanthes douglasii (Meyers et al. 2010 Syst Bot 35:552--558).

Limnanthes douglasii R. Br.
NATIVE
Habit: Erect or ascending; herbage glabrous. Stem: 3--35(100) cm. Leaf: 3--7(25 cm); leaflets 5--13, linear to lanceolate to widely ovate, entire or occasionally toothed or lobed. Flower: cup-, bell-, or funnel-shaped; sepals 4--17 mm, glabrous or margins hairy; petals 10--18 mm, white to yellow or yellow with white tips, veins purple to pink or cream, occasionally drying +- green-yellow, reflexed in fruit; filaments 3.5--8 mm, anthers 0.8--2 mm, cream to yellow, dark pink, orange-red, or +- black; style 3--8 mm. Fruit: mericarps smooth, ridged, or at least tip tubercled.

eFlora Treatment Author: Robert Ornduff & Nancy R. Morin
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Next taxon: Limnanthes douglasii subsp. douglasii

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Citation for this treatment: Robert Ornduff & Nancy R. Morin 2016. Limnanthes douglasii, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=30971, accessed on May 25, 2016.

Citation for the whole project: Jepson Flora Project (eds.) 2016. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on May 25, 2016.


Limnanthes douglasii subsp. rosea
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© 2007 Carol W. Witham
Limnanthes douglasii subsp. douglasii
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© 2009 Barry Breckling
Limnanthes douglasii subsp. nivea
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© 2009 Barry Rice
Limnanthes douglasii var. nivea
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© 2015 Barry Rice
Limnanthes douglasii
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© 2008 California Academy of Sciences
Limnanthes douglasii subsp. nivea
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© 2006 George W. Hartwell

More photos of Limnanthes douglasii in CalPhotos


Geographic subdivisions for Limnanthes douglasii:
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.