of flowers/(day inflorescence) 2.2 ± 0.3 1–8 30 Pollen grains 10253 ± 920 2640–16440 30 Ovules 3 3 30 P/O ratio 3418 - 30 Table 1. Floral characters of Quisqualis indica in the Xishuangbanna Tropical Botanical Garden population. P/O, pollen: ovule. ...