Claytonia perfoliata Donn ex Willd.

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Report the species

Report Claytonia perfoliata to the National Museum of Natural History.

Brief description

Claytonia perfoliata — Flora Batava — Volume v14

Claytonia perfoliata — Flora Batava, 1872

Claytonia perfoliata Donn ex Willd. (syn. Montia perfoliata), also known as miner’s lettuce or winter purslane, is a fleshy, herbaceous, annual plant native to the western mountainous and coastal regions of Northern America. The common name of miner’s lettuce refers to how the plant was used by miners during the California Gold Rush, who ate it to prevent scurvy. It has been widely naturalised in western Europe, after being introduced there in the eighteenth century, possibly by the naturalist Archibald Menzies, who brought it to Kew Gardens in London in 1794 (Wikipedia contributors, 2019).

Status and distribution in Luxembourg

Distribution map of Claytonia perfoliata Donn ex Willd. in Luxembourg. Data source: Recorder-Lux, iNaturalist & GBIF, 2019-12-08.

The oldest specimen in the herbarium of the Museum dates from 1866 and was collected in the Brussels district Uccle, Belgium, but it mentions no exact date nor a collectors name (Specimen № 2515, MNHNL 2000-).

In Luxembourg, Claytonia perfoliata Donn ex Willd. was first observed by Paul Diederich in the spring of 1988 en masse in a nursery on the plateau south-east of Lorentzweiler (LUREF 79436 E / 83775 N 1). At the same time, a few individuals were found under a tree planted in front of building n°17 on Avenue Guillaume in Luxembourg (Reichling 1990: 58). In spring 1989, the plant was observed by Jean-Marie Mangen in an ornamental plantation at Geessekneppchen in Luxembourg City (Reichling 1990: 59). On May 16, 2004, Yves Krippel and Tania Wambach observed the species growing on a surface of ± 10 m2 in the woods and in a lawn on the edge of the mini-golf of the camping Maartboesch in Berdorf (Krippel et al. 2006).

Currently, 9 records of the species in Luxembourg are accessible through the MNHNL-mdata portal (MNHNL, iNaturalist & GBIF 2019).

Once grown in gardens as a vegetable plant (Lambinon & Verloove 2012: 149).

Risk assessment

ISEIA protocol: C1 (1+1+1+1) (Ries et al. 2013: 18).

Bibliography

  • Krippel, Y. & G. Colling, 2006. Notes floristiques. Observations faites au Luxembourg (2004-2005). Bull. Soc. Nat. luxemb. 107: 89-103. [PDF 288 Kb]
  • Lambinon J. & F. Verloove, 2012. Nouvelle flore de la Belgique, du grand-duché de Luxembourg, du Nord de la France et des régions voisines. Sixième édition. Avec la collaboration de L. Delvosalle, B. Toussaint, D. Geerinck, I. Hoste, F. Van Rossum, B. Cornier, R. Schumacker, A. Vanderpoorten et H. Vannerom. Jardin botanique national de Belgique, Meise. CXXXIX + 1195 pp. ISBN : 9789072619884.
  • MNHNL, 2000-. Claytonia perfoliata Donn ex Willd. in Recorder-Lux, database on the natural heritage of the Grand Duchy of Luxembourg. Musée national d’histoire naturelle, Luxembourg. URL: https://mdata.mnhn.lu [Accessed 2019-09-05]
  • MNHNL, iNaturalist & GBIF, 2019. Claytonia perfoliata Donn ex Willd. in MNHNL-mdata, online portal combining species observation from Recorder-Lux, iNaturalist and GBIF. National Museum of Natural History, Luxembourg. URL: https://mdata.mnhn.lu [Accessed 2019-09-06]
  • Reichling, L., 1990. Observations floristiques au Luxembourg 1980-1989. Bull. Soc. Nat. luxemb. 90: 55-70. [PDF 808 KB]
  • Ries, C., Y. Krippel, M. Pfeiffenschneider & S. Schneider, 2013. Environmental impact assessment and black, watch and alert list classification after the ISEIA Protocol of non-native vascular plant species in Luxembourg. Bull. Soc. Nat. luxemb. 114: 15-21. [PDF 652 KB]
  • Wikipedia contributors, 2019. Claytonia perfoliata Donn ex Willd. in Wikipedia, The Free Encyclopedia, 24 September 2019. URL: https://en.wikipedia.org/w/index.php?title=Claytonia_perfoliata&oldid=917517303 [accessed 2 October 2019]

 Page content last updated on 2019-11-14. Last proofread by Caroline Grounds on 2019-11-14.