Samolus valerandi

Species of flowering plant in the family Primulaceae

For a different species of flowering plant also called water cabbage, see Pistia stratiotes.

Samolus valerandi

Conservation status

Least Concern (IUCN 3.1)[1]

Scientific classification
Kingdom:  | Plantae
Clade:  | Tracheophytes
Clade:  | Angiosperms
Clade:  | Eudicots
Clade:  | Asterids
Order:  | Ericales
Family:  | Primulaceae
Genus:  | Samolus
Species:  |

S. valerandi

Binomial name
Samolus valerandi

Synonyms

Synonymy

* Anagallis aquatica Endl. ex Ledeb.
* A. maritima J.G.Gmel.
* Samolus americanus Spreng.
* S. aquaticus Lam.
* S. beccabunga-facies Gilib.
* S. bracteatus Stokes
* S. caulescens Willd. ex Roem. & Schult.
* S. floribundus H.B.K.
* S. geniculatus Dulac
* S. parviflorus Raf.
* S. vagans Greene
* S. valerandi ssp. parviflorus (Raf.) Hultén
* S. valerandi var. americanus (Spreng.) Gray
* S. valerandi var. floribundus (H.B.K.) Britt., Sterns & Poggenb.
* S. valerandi var. succulentus O.Kuntze
* S. valerandi var. typicus R.Knuth

Wikispecies has information related to Samolus valerandi.

Samolus valerandi is a species of semi-aquatic flowering plant in the primrose family, Primulaceae. Common names include seaside brookweed,[4] brookweed,[5] thin-leaf brookweed, water cabbage and water rose.[6]

## Description

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It is a small perennial, growing to around 35 cm (13.8 inches) high. Its inflorescence is a raceme, with small white flowers on long stalks. Its corollas have five lobes. It can produce flowers throughout the growing season, from spring to fall. Its fruits are capsules that are green and globose.[7]

* Mature inflorescences are widely spreading, with fruits on long stalks

## Taxonomy

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Although some floras recognize the North American populations of S. valerandi as a separate species (S. parviflorus) or subspecies (S. valerandi ssp. parviflorus),[8][9] a 2012 investigation based on molecular and morphological data indicated that S. vagans and S. parviflorus should not be regarded as separate species but as part of a widespread "S. valerandi species complex".[10]

## Distribution

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Samolus valerandi is widely distributed across western and Mediterranean Europe, north Africa, Asia and Australia, Central and South America including Cuba, and Japan.[11]

## Ecological aspects

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This species is found in a variety of wet habitats, including stream banks, tidal marshes, and seeps.[5] It can be found in both degraded and intact natural communities.[12]

## Cultivation

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The plant can be grown in ponds, bog gardens, and damp areas in the garden. S. valerandi prefers light (sandy), medium (loamy), and heavy (clay) soils, preferably neutral or basic (alkaline) soils. It can tolerate both shade and a bright, sunny position. It requires moist or wet soil and can even grow in water. The plant can tolerate maritime exposure and is self-fertile. S. valerandi is sometimes grown in aquariums, although they seem to last only a limited time when grown fully submersed.[citation needed]

### Uses

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The plant's leaves, when cut and agitated in water, produce a lather, for which reason in Palestine it has been used by the local Arab population, in former times, to launder clothes and was called by them sabūn 'arab (= Arab soap).[13]

## References

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Wikimedia Commons has media related to Samolus valerandi.

1. ^ Lansdown, R.V. (2013). "Samolus valerandi". IUCN Red List of Threatened Species. 2013: e.T163967A13571192. Retrieved 15 April 2024.
2. ^ Crusio W. E. (1982). "Het geslacht Samolus L.". Communications of the Dutch Waterplant Society (in Dutch). 2: 13–25.
3. ^ Crusio W. E. (1984). "Notes on the genus Samolus L. (Primulaceae)". Communications of the Dutch Waterplant Society. 6: 13–16.
4. ^ NRCS. "Samolus valerandi". PLANTS Database. United States Department of Agriculture (USDA). Retrieved 28 October 2015.
5. ^ a b Alan Weakley (2015). "Flora of the Southern and Mid-Atlantic States".
6. ^ Huxley. A. The New RHS Dictionary of Gardening. 1992. MacMillan Press 1992 ISBN 0-333-47494-5
7. ^ Yatskievych, George (2013). Flora of Missouri, Volume 3. Missouri Botanical Garden Press. p. 793.
8. ^ "Samolus". Flora of North America. eFloras.org. Retrieved 2018-02-01.
9. ^ "Samolus parviflorus". www.calflora.org. Calflora. Retrieved 1 February 2018.
10. ^ Jones, K.; Anderberg, A. A.; Ronse De Craene, L. P.; Wanntorp, L. (23 June 2012). "Origin, diversification, and evolution of Samolus valerandi (Samolaceae, Ericales)". Plant Systematics and Evolution. 298 (8): 1523–1531\. doi:10.1007/s00606-012-0655-z. S2CID 15115821.
11. ^ Anderberg A, Anderberg AL (2017). "Den Virtuella Floran". Swedish Museum of Natural History (Naturhistorika Riksmuseet). Retrieved 9 July 2021.
12. ^ IllinoisWildflowers
13. ^ Ḳrispil, Nissim (1987). Amos Shapira (ed.). A Bag of Plants (The Useful Plants of Israel) (Yalḳuṭ ha-tsemaḥim) (in Hebrew). Vol. 4 (N.-Ṣ.). Jerusalem: Ya'arah Publishing House Ltd. pp. 990–993\. OCLC 21934597., s.v. Samolus valerandi

## External links

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* Flora of North Central Texas
* Flora of Missouri - illustrated
* Illinois Wild Flowers

Taxon identifiers

Samolus valerandi|

* Wikidata: Q620779
* Wikispecies: Samolus valerandi
* APDB: 167742
* APNI: 61187
* BioLib: 39310
* CoL: 6XHSW
* Ecocrop: 16595
* EoL: 485082
* EPPO: SADVA
* EUNIS: 178974
* FloraBase: 6485
* FNA: 210002040
* FoC: 210002040
* FoIO: SAMVAL
* GBIF: 3169313
* GRIN: 459207
* iNaturalist: 168407
* IPNI: 62325-3
* IRMNG: 10453527
* ISC: 116893
* ITIS: 504999
* IUCN: 163967
* NatureServe: 2.131427
* NBN: NBNSYS0000003947
* NCBI: 59985
* NSWFlora: Samolus~valerandi
* Observation.org: 7408
* Open Tree of Life: 10683
* PalDat: Samolus_valerandi
* PFI: 3827
* Plant List: kew-2599143
* PLANTS: SAVA3
* POWO: urn:lsid:ipni.org:names:30021527-2
* SANBI: 3629-2
* Tropicos: 26400042
* VicFlora: d4b5583c-f4d7-45f8-bd4b-33f750ed7539
* WoI: 1333
* WFO: wfo-0000503444
* WoRMS: 426041