Table 1.

Results of the phylogenetic signal tests for richness (N = 197), relative percentage (N = 197), and emission rate (N = 67) of fatty acid derivatives (FADs), amino acid derivatives (AADs), benzenoids, monoterpenes, sesquiterpenes, irregular terpenes, terpenes, nitrogen-containing compounds (NCCs), and sulphur-containing compounds (SCCs).

	Richness				Relative percentage				Emission rate
	λ	P	K	P	λ	P	K	P	λ	P	K	P
FADs	0.40	0.015	0.08	<0.001	0.42	0.05	0.07	0.003	0.22	0.018	0.07	0.37
AADs	0.27	<0.001	0.08	0.04	0.06	0.24	0.04	0.625	0.11	0.298	0.07	0.292
Benzenoids	0.52	<0.001	0.05	0.022	0.18	0.204	0.03	0.359	0.47	0.012	0.05	0.457
Monoterpenes	<0.01	1	0.03	0.351	0.39	0.026	0.03	0.102	0.75	0.010	0.07	0.427
Sesquiterpenes	0.04	0.538	0.03	0.4	<0.01	1	0.13	0.004	<0.01	1	0.04	0.594
Irr. terpenes	<0.01	1	0.08	0.011	0.8	1	0.08	0.047	0.33	<0.001	0.06	0.261
Terpenes	0.09	0.191	0.03	0.332	0.39	0.068	0.04	0.025	0.75	0.008	0.07	0.427
NCCs	0.26	0.028	0.02	0.781	0.14	0.753	0.02	0.697	<0.01	1	0.07	0.445
SCCs	0.96	<0.001	0.07	0.36	0.97	<0.001	0.19	0.151	<0.01	1	0.02	0.821

Pagel’s λ, Bloomberg’s K, and their associated P values are provided for each variable. Significant values are depicted in bold type.