The thymol derivatives concentrated in the roots of which flowering plant are used in ointments for strains, sprains, bruises, and as an anti-inflammatory?
Which flowering plant in the pea family, cultivated as feed for cattle, horses, sheep, and goats, is known in the UK, Australia and New Zealand as lucerne, as lucerne grass in south Asia and as Kuthirai Masal in Tamil?
What genus of flowering plants, native to an area from Brazil to Peru to southern Argentina discovered in 1768 by French botanist Philibert Commerçon, is a thorny, woody vine reaching from 1 to 12 metres tall by growing over other plants with hooked thorns tipped with a black, waxy substance?
