Wormwood - Artemisia absinthium

Description

Medium to tall, strongly aromatic, silkily hairy, often tufted plant. Stems grooved, somewhat woody below. Leaves 2-3 pinnately lobed, stalked, silkily white on both surfaces. Flowerheads 3 mm, yellowish, sub globose, nodding in long panicles.

Similar Species

Mugwort (Artemisia vulgaris)

Identification difficulty
ID checklist (your specimen should have all of these features)

Mature leaves with dense grey-white hairs on the upperside

Recording advice

A photograph of the whole plant

Habitat

Roadside verges, waste ground and coastal habitats.

When to see it

Flowers July and August.

Life History

Perennial

UK Status

Found throughout England and Wales, but mostly coastal elsewhere in Britain.

VC55 Status

Local in Leicestershire and Rutland, found mostly around Leicester and in the west of our area where it can be quite frequent. In the 1979 Flora survey of Leicestershire it was found in 142 of the 617 tetrads.

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
Wormwood
Species group:
flowering plant
Kingdom:
Plantae
Order:
Asterales
Family:
Asteraceae
Records on NatureSpot:
31
First record:
24/08/1996 (Steve Woodward)
Last record:
01/05/2024 (Calow, Graham)

Total records by month

% of records within its species group

10km squares with records

The latest images and records displayed below include those awaiting verification checks so we cannot guarantee that every identification is correct. Once accepted, the record displays a green tick.

In the Latest Records section, click on the header to sort A-Z, and again to sort Z-A. Use the header boxes to filter the list.

Latest images

Latest records

Photo of the association

Macrosiphoniella absinthii

The aphid Macrosiphoniella absinthii is associated with Wormwood and other Artemisia species such as Mugwort. The apterae have a body length of 1.7 to 2.5 mm. It is reddish-brown and wax-powdered. It has a black head, antennae, legs, siphunculi and cauda, and a black spot in the centre of the abdomen which is highlighted by a white surround of powdered wax. The siphunculi are very thick and short.