Armoracia rusticana P.Gaertn., B.Mey. & Scherb.

Horseradish

Classical Greek name for the horseradish.

Large perennial to 1 m or so tall, generally treated as an annual for cropping, with fleshy fusiform roots. Leaves at base to 50 cm long ovate to oblong, dock-like, sometimes dissected, teeth rounded or pointed; stalk to 30 cm long. Stem leaves stalkless or nearly so, lower ones often dissected. Flowers in long, crowded clusters, white; petals 5-7 mm long. Virtually sterile plant with fruits rarely setting. [Cochlearia armoracea L.]

SE Europe

Long cultivated for the grated roots which are the source of horseradish sauce used on meat dishes.

Source: Spencer, R. (1997). Brassicaceae. In: Spencer, R.. Horticultural Flora of South-eastern Australia. Volume 2. Flowering plants. Dicotyledons. Part 1. The identification of garden and cultivated plants. University of New South Wales Press.

kingdom Plantae
phylum   Tracheophyta
class    Magnoliopsida
superorder     Rosanae
order      Brassicales
family       Brassicaceae