Seasonal Wild Flowers

Large-flowered Hemp-nettle

Galeopsis speciosa

Lamiaceae

July to September

It is found mainly in the Midlands and is scattered

elsewhere.

See the BSBI distribution map for Large-flowered Hemp

It is an archaeophyte and is a weed of cultivated and waste

ground.

It is in decline because of changes to weed irradication.

Large-flowered Hemp-nettleIt is robust, annual, hairy, herb

growing up to 1m.

Flowers are up to 45mm, mainly yellow and 2-lipped.

The lower lip has a central blue lobe and 2 prominent

conical projections.

Sepals have no dark purple parts.

Hairs are yellowish.

Leaves are ovate/lanceolate.

Large-flowered Hemp-nettle, Lancaster

Flower whorl

Conical projections and purple lower lip lobe