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Scheuchzeria palustris
SCHEUCHZERIA

Higher Taxonomy
Family: ScheuchzeriaceaeView Description 

Common Name: SCHEUCHZERIA FAMILY
Habit: Perennial herb, rhizomed, aquatic, generally emergent, on floating mats, or terrestrial. Stem: erect, generally simple, slender. Leaf: basal, cauline, alternate, simple; sheath generally open; ligule prominent; blade erect, linear, subcylindric, tip with a large pore. Inflorescence: raceme, terminal, flower bracts leaf-like, pedicels elongating after flower. Flower: bisexual, radial; perianth parts 6, in 2 +- dissimilar whorls, free; stamens 6, in 2 whorls, fused to perianth, anthers opening outward by slits; pistils 3(6), +- united at base or not, free above, ovary superior, chamber 1, ovules 1--3, style stout [0], papillate or plumose. Fruit: follicles.
Genera In Family: 1 genus, 1 sp.: western and eastern North America, Eurasia.
eFlora Treatment Author: C. Barre Hellquist
Scientific Editor: Thomas J. Rosatti.
Genus: ScheuchzeriaView Description 


Etymology: (Johann Jakob Scheuchzer, Swiss botanist, 1672--1733, and his brother, Johannes Scheuchzer, 1684--1738)

Scheuchzeria palustris L.
NATIVE
Habit: Glabrous. Stem: 1--4 dm, zigzag. Leaf: striate; ligule 2--12 mm; basal 1--2(3) dm; cauline reduced upward, blade 1--3 mm wide. Inflorescence: peduncle in fruit < 2.5 dm; pedicels spreading, 5--25 mm; flowers 3--12. Flower: perianth parts 2--3 mm, 1-veined, green-white. Fruit: generally 1--4, 4--10 mm, dehiscing on curved, adaxial side, beak 0.5--1 mm. Seed: 1--3, 4--5 mm. Chromosomes: 2n=22.
Ecology: Floating mats, bogs, lake margins; Elevation: 1400--2000 m. Bioregional Distribution: s CaRH; Distribution Outside California: to Alaska, eastern North America; Eurasia. Flowering Time: Jul--Aug Note: Variation in fruit, stigmas does not support infraspecific taxa.
Synonyms: Scheuchzeria palustris subsp. americana (Fernald) Hultén; Scheuchzeria palustris var. americana Fernald
eFlora Treatment Author: C. Barre Hellquist
Jepson Online Interchange
Listed on CNPS Rare Plant Inventory

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botanical illustration including Scheuchzeria palustris

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Citation for this treatment: C. Barre Hellquist 2016. Scheuchzeria palustris, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=43474, accessed on February 09, 2016.

Citation for the whole project: Jepson Flora Project (eds.) 2016. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on February 09, 2016.


Scheuchzeria palustris
click for enlargement
© 2009 George W. Hartwell
Scheuchzeria palustris
click for enlargement
© 2009 George W. Hartwell
Scheuchzeria palustris
click for enlargement
© 2008 George W. Hartwell
Scheuchzeria palustris
click for enlargement
© 2006 George W. Hartwell
Scheuchzeria palustris
click for enlargement
© 2009 George W. Hartwell
Scheuchzeria palustris
click for enlargement
© 2009 George W. Hartwell

More photos of Scheuchzeria palustris in CalPhotos


Geographic subdivisions for Scheuchzeria palustris:
s CaRH;
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.