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. 2016 May 10;24(1):180–191. doi: 10.1016/j.sjbs.2016.05.002

Table 5.

The mean ± SD nectar volume amount secreted/flower in μl at different local times of the day for Lavandula (L.), Nepeta sp. (N.), and Otostegia sp. (O.) growing in Saudi Arabia.

Species 0600 h 0900 h 1200 h 1500 h 1800 h Mean
L. dentata 0.35 ± 0.15a 0.40 ± 0.14a 0.53 ± 0.19b 0.64 ± 0.20c 0.68 ± 0.19c 0.52 ± 0.22
L. pubescens 0.28 ± 0.19a 0.41 ± 0.25ab 0.46 ± 0.23b 0.50 ± 0.24b 0.41 ± 0.21c 0.41 ± 0.24
N. deflersiana 0.31 ± 0.10c 0.44 ± 0.13a 0.47 ± 0.13a 0.43 ± 0.15ab 0.39 ± 0.13b 0.41 ± 0.13
O. fruticosa 0.37 ± 0.20c 0.59 ± 0.21a 0.51 ± 0.21ab 0.45 ± 0.24bc 0.40 ± 0.20c 0.47 ± 0.21

Values in the same row which are not connected by the same letter are significantly (P < 0.0001) different; One flower is used for one time measurement only. For each species: N = 90, DF = 4, P < 0.0001.