serradella
noun
ser·ra·del·la
ˌserəˈdelə
variants or less commonly serradilla
-dilə
plural -s
: a Eurasian annual herb (Ornithopus sativus) of the family Leguminosae with pinnate leaves and long-stalked honey-producing flowers that is used for forage and green manure
called also bird's-foot
Word History
Etymology
Portuguese serradela, from Latin serratula betony, from serratus serrate