Table 4.

Results of nested ANOVAs comparing volume, concentration and sugar weight of nectar between male and hermaphrodite cyathia in the male phase from the level 2 of the inflorescence

	Volume				Concentration (°Brix)			Sugar weight
	d.f.	S.S.	F	P	S.S.	F	P	S.S.	F	P
Sex	1	8·20	1·28	0·2934	361·68	1·06	0·3376	0·004	0·01	0·9450
Plant (sex)	7	46·97	3·66	0·0018	2549·26	24·54	< 0·0001	5·043	2·00	0·0656
Error	76	139·21			1127·64			27·346

P-values in bold are significant at Bonferroni-corrected P level (0·05/3 = 0·017).