On the identity of Thymus humifusus var. aureopunctatus (Lamiaceae) and taxonomic notes on the Th. richardii complex Author Saez, Llorenc Systematics and Evolution of Vascular Plants (UAB) - Associated Unit to CSIC, Departament de Biologia Animal, Biologia Vegetal i Ecologia, Facultat de Biociencies, Universitat Autonoma de Barcelona, 08193 Bellaterra, Spain Author Bogunic, Faruk University of Sarajevo, Faculty of Forestry, Zagrebacka 20, 71 000 Sarajevo, Bosnia and Herzegovina Author Cambria, Salvatore Department of Biological, Geological and Environmental Sciences, University of Catania, Via A. Longo 19, 95125 Catania, Italy Author Riera, Jesus Jardin Botanico. Universidad de Valencia. C / Quart, 80. 46008 Valencia, Spain Author Bogdanovic, Sandro https://orcid.org/0000-0002-1952-6059 University of Zagreb, Faculty of Agriculture, Department of Agricultural Botany, Svetosimunska 25, 10000 Zagreb, Croatia & Centre of Excellence for Biodiversity and Molecular Plant Breeding, Svetosimunska 25, 10000 Zagreb, Croatia sbogdanovic@agr.hr text PhytoKeys 2021 2021-12-09 186 139 158 http://dx.doi.org/10.3897/phytokeys.186.75412 journal article http://dx.doi.org/10.3897/phytokeys.186.75412 1314-2003-186-139 70DC0EB03FF3548ABBF5113F5E1EB62B

Table 3. Principal components revealed by the PCA for the Thymus richardii complex.

Trait		Component
		PC 1	PC 2	PC 3
LL	leaf (blade) length	0.307	0.032	0.143
LW	leaf (blade) width	0.275	0.181	-0.372
L/W	ratio L/W	0.032	-0.241	0.818
IL	longer inflorescence length	0.246	0.311	0.157
PL	pedicel length	0.321	-0.023	0.088
BL	bract length of larger bracts	0.332	0.036	0.059
BW	bracts width of larger bracts	0.296	0.163	-0.178
CL	calyx length	0.347	-0.062	0.043
UTL	upper (middle) calyx teeth length	0.316	-0.167	-0.094
LTL	lower calyx teeth length	0.339	-0.067	0.033
LCU	length of longer cilia of upper calyx teeth	0.002	0.472	0.250
LCL	length of longer cilia of lower calyx teeth at middle length	-0.108	0.502	0.117
CTL	calyx tube length	0.338	-0.029	0.064
LEH	length of longer eglandular hair of calyx tube	-0.072	0.519	0.098
Eigenvalue		7.990	3.353	1.132
Contribution		0.576	0.239	0.088
Cumulative (%)		0.576	0.815	0.903