Ranunculus japonicus, a 30-70cm perennial, inhabits sunny grasslands in fields and mountains, with many white divaricate hairs on stems and petioles. Radical leaves, with long petioles, are palmately cleft in 3-5, and the lobes cleft shallowly afresh. Flowers measure 1.5-2cm in diameter; petals are yellow and glossy. Bloom time: April-May.