Basil Thyme - Clinopodium acinos

Description

Often, the whole plant is only 4 cm, though large plants may be 30 cm. It spreads across the ground, only ascending when it flowers. The oval leaves are usually less than a centimetre long. The purple-mauve flowers are in whorls of around 4 or 5 and have white spots on the lower lip of the corolla.

Identification difficulty
Recording advice

Provide a series of photos showing the key ID features and the whole plant in its habitat. 

Habitat

Open habitats in dry grassland, rocky ground or arable fields. In Britain it usually grows on calcareous soils. It is also a rare casual of waste ground, quarries and banks by roads and railways.

When to see it

In flower during May, June, July, August and September.

Life History

Usually an annual herb.

UK Status

England Red List: Vulnerable. GB Red List: Vulnerable..

 

VC55 Status

Scarce and decreasing in VC55; threatened by habitat loss due to natural succession of open quarry habitats to scrub. Only present as a native species on limestone habitats in the east of the Vice-County

Present in the Flora of Leicestershire (Primavesi and Evans 1988) in 2 tetrads, and in the Flora of Rutland (Messenger 1971) in 13 tetrads.

It is listed on the current VC55 Rare Plant Register (Hall and Woodward 2022) as Locally Scarce (i.e. present in 4-10 sites) but decreasing

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
Basil Thyme
Species group:
Wildflowers
Kingdom:
Plantae
Order:
Lamiales
Family:
Lamiaceae
Records on NatureSpot:
3
First record:
02/06/2019 (Grimes, Martin)
Last record:
09/07/2022 (Hirons, Gareth)

Total records by month

% of records within its species group

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