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Robert Ornduff & Nancy R. Morin

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.
2 genera, 10 species: temperate North America. —Scientific Editors: Douglas H. Goldman, Bruce G. Baldwin.

Key to Limnanthaceae


1 sp.: North America. (H.G. Floerke, German botanist, 1764–1835)

F. proserpinacoides Willd.
Annual, decumbent to erect, fleshy, glabrous. Stem: < 20 cm. Leaf: 1-ternate or 1-odd-pinnate, <= 6 cm; leaflets 3–5, <= 2 cm, ± oblong. Flower: sepals generally 3, 2–4 mm; petals generally 3, spoon-shaped, white, tips ± entire; stamens 3–6; ovary lobes 2–3. Fruit: mericarps 2–3, 2–3.5 mm, ± spheric, wrinkled or tubercled above.
Moist open places in conifer forest or sagebrush scrub; 1500–3200 m. Klamath Ranges, High North Coast Ranges, High Cascade Range, High Sierra Nevada, Modoc Plateau; to British Columbia, eastern North America. May–Jul [Online Interchange]

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Citation for the whole project: Jepson Flora Project (eds.) 2013. Jepson eFlora,, accessed on Nov 29 2015
Citation for this treatment: [Author of taxon treatment] 2013. Floerkea, in Jepson Flora Project (eds.) Jepson eFlora,, accessed on Nov 29 2015

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click for enlargement Floerkea proserpinacoides
See CalPhotos for additional images
2004 Steve Matson

Geographic subdivisions indicated for the distribution of Floerkea proserpinacoides 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.