Fig. 3. Lengths of wild-type, arf6-2, arf8-3 and arf6-2 arf8-3 floral organs±s.d. Data were gathered from flower bunches of the main inflorescence stem from seven 33-day-old plants of each genotype. The left panel shows organ lengths of the youngest flower bud of 2 mm length. The right panel shows organ lengths of the youngest flowers that were releasing pollen (anthesis). For the arf6-2 arf8-3 double mutant (which does not undergo anthesis), organs of the fourth flower after the youngest 2 mm bud were measured. For the other genotypes, numbers of flowers of different size classes are indicated in Table 1.