Fig. 5. Floral induction of ufo-2 35S::UFO_ind by LD treatment. ufo-2 35S::UFO_ind plants were kept under short day conditions and induced for flowering by long day conditions. (A) Apex after 5 LD. No recognisable floral meristem is visible. (B) Apex after 8 LD. Arrowhead points to a floral meristem at stage 2 subtended by a leaf. Arrow indicates an early stage 3 flower in the axil of a leaf-like structure. The oldest floral meristems are at stage 3. (C) Apex after 10 LD and (D) apex after 12 LD. The oldest floral meristems have reached stage 6 or more. Arrow in C points to a flower with reduced growth. Bars: 500 µm.