False London-rocket - Sisymbrium loeselii

Description

Similar to London Rocket, but hairier, especially below and with brighter yellow flowers, 4 to 6 mm, not overtopped by the young fruits.

Similar Species

other Sisymbrium

Identification difficulty
ID guidance

Seed-pods long and sticking out from stem, without beak, splitting into 2 valves with one row of seeds in each valve; lowest leaves lobed, upper stem-leaves divided but not pinnate; fruit pedicels nearly as wide as ripe fruit, petals longer than sepals or stamens. 

Recording advice

The County Recorder has asked for a specimen of this plant to be retained for verification

Habitat

Waste and bare places, cultivated land.

When to see it

Flowers June to August.

Life History

Annual.

UK Status

Occasional in the London area, scarce or rare elsewhere in Britain.

VC55 Status

Uncommon in the Leicestershire and Rutland area. The Ratby record of June 2015 is only the second modern record of this plant in our region, the first coming from Glenfield in 1998. It was not recorded in the 1979 Flora survey of Leicestershire.

Leicestershire & Rutland Map

MAP KEY:

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

UK Map

Species profile

Common names
False London-rocket
Species group:
Wildflowers
Kingdom:
Plantae
Order:
Brassicales
Family:
Brassicaceae
Records on NatureSpot:
1
First record:
19/06/2015 (Nicholls, David)
Last record:
19/06/2015 (Nicholls, David)

Total records by month

% of records within its species group

10km squares with records

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