Technical Information
Perennial or annual herb, 30-100cm tall, erect
Leaves: Basal leaves long-stalked, oval; stem leaves stalkless and narrower, sticky hairy
Calyx: hairy, pointed teeth
Flowers: White, 25-30mm across, in loose cymes, smaller male and larger female flowers on separate plants. Flowers are fragrant in the evening and are pollinated by moths
Fruit: capsule, teeth straight
Flowering time: May-October
Habitat: Roadsides, arable land
Distribution: Common throughout Britain