Which common garden flower, often used in salads, belongs to the genus Tropaeolum?
Tropaeolum Tropaeolum Tropaeolum , commonly known as nasturtium (; literally "nose-twister" or "nose-tweaker"), is a genus of roughly 80 species of annual and perennial herbaceous flowering plants. It was named by Carl Linnaeus in his book "Species Plantarum", and is the only genus in the family Tropaeolaceae. The nasturtiums received their common name because they produce an oil similar to that of watercress ("Nasturtium officinale"). The genus "Tropaeolum", native to South and Central America, includes several very popular garden plants, the most common being "T. majus", "T. peregrinum" and "T. speciosum". One of the hardiest species is "T. polyphyllum" from Chile,
Tropaeolum of as much as 3,300 metres (10,000 ft) in the Andes. The flame flower ("Tropaeolum speciosum") is well adapted to cool, moist climates and famously does well in Scotland. It sends up shoots which thread their way through hedges and shrubs and which, when they emerge into the light, bear brilliant red flowers among small, five or six-lobed leaves. It is difficult to establish but is an attractive garden plant when it thrives. This plant has gained the Royal Horticultural Society's Award of Garden Merit. Three-coloured Indian cress ("Tropaeolum tricolor") is another tuberous, climbing species grown for its attractive red,