Thunberg fritillaria, perennial herbs. Bulb hemispherical, 1.5 -- 6 cm in diam., with 2 -- 3 fleshy scales. Stem simple, erect, cylindrical, 50 -- 80 cm tall. Leaves sessile; Lower stem leaves opposite, rarely alternate, narrowly lanceolate to linear, 6 -- 17 cm long, 6 -- 15 mm wide.