Table 3.

Differences between the species for morphological characters and their levels of significance determined by TukeyHSD Test.

Comparisons	Leaf blade length		Leaf blade width		Aspect ratio		Circularity		Petiole length		Cupule high		Cupule diameter
	diff.	P	diff.	P	diff.	P	diff.	P	diff.	P	diff.	P	diff.	P
L.bidoupensis – L.blaoensis	3.92	0	-0.09	0.85	0.93	0	-0.13	0	1.39	0	-0.35	0	-0.89	0
L.bidoupensis – L.licentii	1.01	0.13	-1.04	<0.001	0.90	0	-0.16	0	0.31	0	-0.1	0.07	-0.29	0
L.congtroiensis – L.dahuoaiensis	4.57	<0.001	2.76	0	-0.45	<0.001	0.11	0	-0.02	0.97	0.13	<0.01	-0.75	0
L.congtroiensis – L.honbaensis	5.56	<0.001	3.53	0	-0.09	0	0.09	0	0.69	0	-	-	-	-
L.hongiaoensis – L.vinhensis	-2.39	<0.001	-0.29	0.26	-0.43	<0.001	0.08	<0.001	-1.85	0	-0.44	0	-0.75	0
L.hongiaoensis – L.vuquangensis	-3.33	0	-0.58	<0.001	-0.20	0.09	0.02	0.55	-1.29	0	-0.15	0.012	-0.43	<0.001

Note: diff. = mean difference; Bold font indicates statistically significant differences, (-) not available.