Fig. 7.
Effect of blossom age in Dalechampia scandens var. hibiscoides (Ecuador) on: (A) departure from the optimum, and (B) inaccuracy. ‘Floral stage’ indicates the number of male flowers open, where 0 is the female stage, and 1 is the first day after the female stage. Stage 2–3 is generally 2 d after the female stage, and stage 4–10 is generally 3–7 d after the female stage.