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Table 1 Floral characters of M. sativa

From: Pollen limitation and resource limitation affect the reproductive success of Medicago sativa L.

Floral characters Observation
Flowering period From May to July
Anthesis begins 07:30–08:00
Flowers completely open 08:30–10:00
Pollen release 08:00–14:00
Number of pollens/flower 3821.6 ± 327
Pollen ovule ratio (P/O) 296.3 ± 38.79
Flowers completely close 18:00–19:00