Dog's Mercury - Mercurialis perennis

Description

Low to short rhizomatous hairy plant. Leaves lanceolate stalked, crowded towards the stem tops. Flowers greenish 4 to 5 mm, the female solitary or 2 to 3 together, the male in long tassel-like spikes.

Identification difficulty
Habitat

Shaded habitats, woods, hedge bottoms.

When to see it

February to April

Life History

Perennial

UK Status

Common throughout much of Britain, but rare in northern Scotland and in Ireland.

VC55 Status

Quite common in Leicestershire and Rutland. In the 1979 Flora survey of Leicestershire it was found in 259 of the 617 tetrads.

In the current checklist (Jeeves, 2011) it is listed as Native, locally abundant

Leicestershire & Rutland Map

MAP KEY:

Yellow squares = NBN records (all known data)
Coloured circles = NatureSpot records: 2025+ | 2020-2024 | pre-2020

UK Map

Species profile

Common names
Dog's Mercury
Species group:
Wildflowers
Kingdom:
Plantae
Order:
Malpighiales
Family:
Euphorbiaceae
Records on NatureSpot:
346
First record:
27/05/2000 (MBNHS;Steve Woodward)
Last record:
10/06/2025 (Bates, Adam)

Total records by month

% of records within its species group

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