Vegetation Science Group

Department of Botany and Zoology | Faculty of Science | Masaryk University

Vegetation of the Czech Republic

Association XBK02
Portulacetum oleraceae Felföldy 1942

Portulacetum oleraceae

Photo on botanickafotogalerie.cz

This vegetation type is dominated by Portulaca oleracea and consists of low-growing, often prostrate herbs. It occurs in vineyards, city flower beds, at the foots of ornamental trees in cities, along roads, sidewalks and between railway or tram tracks. Soils are well drained, usually with sand or gravel admixture. Phenological optimum of this vegetation type is in warm and dry periods of late summer. It occurs in warm lowland areas of the Czech Republic.

Orig. (Felföldy 1942): Portulaca oleracea-ass.

Syn.: Digitario-Portulacetum Bodrogközi in Tímár et Bodrogközi 1959, Polygono-Portulacetum oleraceae Eliáą 1986

Diagnostic species: Digitaria sanguinalis. Eragrostis minor, Portulaca oleracea

Constant species: Polygonum aviculare agg., Portulaca oleracea, Taraxacum sect. Ruderalia

Dominant species: Eragrostis pilosa, Polygonum aviculare agg., Portulaca oleracea, Setaria viridis

Formal definition: Portulaca oleracea cover > 5 % NOT Group Amaranthus retroflexus

Source: Lososová Z. (2009): XBK02 Portulacetum oleraceae Felföldy 1942. In: Chytrý M. (ed.), Vegetace České republiky. 2. Ruderální, plevelová, skalní a su»ová vegetace [Vegetation of the Czech Republic 2. Ruderal, weed, rock and scree vegetation]. Academia, Praha, pp. 198-200.