Table 3. Flavonoid contents in P. lactiflora petals during flower development (μg g⁻¹ FW).

Peak	S1	S2	S3	S4
a1	8.41 ± 0.35	9.85 ± 0.98	7.54 ± 0.0.39	5.83 ± 0.47
a2	137.42 ± 4.13	157.49 ± 6.77	122.01 ± 7.41	101.79 ± 5.65
f1	83.97 ± 3.18	96.95 ± 2.93	75.71 ± 4.19	64.69 ± 2.49
f2	2447.19 ± 69.18	2778.94 ± 82.19	2224.98 ± 64.31	1991.12 ± 99.19
f3	139.77 ± 8.87	167.90 ± 9.67	123.86 ± 4.33	104.25 ± 6.64
f4	116.73 ± 9.53	133.91 ± 6.76	111.93 ± 5.25	99.37 ± 5.62
f5	770.78 ± 30.41	880.56 ± 35.97	673.79 ± 37.89	591.83 ± 39.36
f6	768.09 ± 44.43	853.32 ± 42.59	656.16 ± 35.39	574.55 ± 36.56
Total anthocyanins	145.83 ± 4.33	167.34 ± 6.66	129.55 ± 7.25	107.62 ± 5.83
Total anthoxanthins	4326.53 ± 116.07	4911.59 ± 137.56	3866.42 ± 49.61	3425.81 ± 146.50
Total flavonoids	4472.36 ± 115.96	5078.93 ± 139.65	3995.97 ± 49.13	3533.43 ± 142.31

S1, S2, S3, and S4 represent the flower-bud, initiating bloom, bloom, and withering stages, respectively. a1–a2 indicate identified anthocyanins; f1–f6 indicate identified anthoxanthins.