Marrubium vulgare L.

White Horehound

Woody subshrub to about 0.5 m tall with many branches from the base, covered with a white down. Leaves roundish to about 4 cm long, 3 cm wide, whitish hairy, teeth rounded, upper surface wrinkled. Flower clusters of more than 12 flowers. Calyx lobes of 10 hooked spines. Corolla to about 1 cm long, white; year round.

Europe, N Africa

Widely naturalised worldwide on disturbed sites and a noxious weed in many parts of Australia. Should not be grown.

Other species are occasionally offered as ornamental perennials.

Source: Spencer, R.; Holmes, R.; McNaughton, V. (2002). Lavandula. In: Spencer, R.. Horticultural Flora of South-eastern Australia. Volume 4. Flowering plants. Dicotyledons. Part 3. The identification of garden and cultivated plants. University of New South Wales Press.

Hero image
kingdom Plantae
phylum   Tracheophyta
class    Magnoliopsida
superorder     Asteranae
order      Lamiales
family       Lamiaceae
genus        Marrubium L.