Creeping Yellow-cress - Rorippa sylvestris

Description

This is a rather straggling plant with runners. Leaves are mostly pinnately lobed. Flowers are yellow, four petalled, about 5 mm across with petals about twice as long as the sepals. The fruit is linear, 8 to 18 mm.

Similar Species

other Rorippa and yellow crucifers in wet places

Identification difficulty
ID guidance

Upper stem-leaves lobed, long seed-pods.  Petals longer than sepals

Recording advice

General photo of plant in habitat, and photo showing details of leaves, flowers/fruits 

Habitat

Damp and bare habitats, stream and pool margins, ditches, especially where water stands only in winter. Also in nursery gardens.

When to see it

Flowers June to September.

Life History

Perennial.

UK Status

Widespread throughout Britain but scarce in Scotland.

VC55 Status

Occasional and rather local in Leicestershire and Rutland. In the 1979 Flora survey of Leicestershire it was found in 23 of the 617 tetrads. In the current Checklist (Jeeves, 2011) it is listed as Native, occasional

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Leicestershire & Rutland Map

MAP KEY:

Yellow squares = NBN records (all known data)
Coloured circles = NatureSpot records: 2020+ | 2015-2019 | pre-2015

UK Map