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Table 4 Means and standard error of 19 characters that presented significant differences when comparing the plants of (1) A. m. subsp. xolocotziana with (2) A. mexicana (encouraged) and (3) A. palmeri. Domestication trends of the subsp. xolocotziana are shown

From: Domestication of aromatic medicinal plants in Mexico: Agastache (Lamiaceae)—an ethnobotanical, morpho-physiological, and phytochemical analysis

CharactersTrendDomesticationCategoryMean/SEF/X2^P
FloralCorolla colorWhiteWhite flowers1193.6 ± 15a403.70.000
2133.3 ± 1.72b
3146.01 ± 1.2c
Style lengthLonger styleGigantism in flowers and correlated structures14.08 ± 0.04a59.00.000
23.49 ± 0.05b
31.62 ± 0.01c
Length of lower stamensLonger stamens13.22 ± 0.04a58.6^0.000
22.74 ± 0.05b
31.34 ± 0.01c
Length of upper stamens13.6 ± 0.05a58.6^0.000
23.08 ± 0.06b
31.53 ± 0.02c
Flower tube lengthLonger tube12.43 ± 0.07a48.9^0.000
22.24 ± 0.04b
31.10 ± 0.02c
Flower lengthLargest flower13.26 ± 0.03a60.0^0.000
22.74 ± 0.05b
31.52 ± 0.02c
Inflorescence lengthShorter inflorescence length110.88 ± 1.07b8.3^0.01*
219.73 ± 1.91a
316.45 ± 2.22ab
Number of nodes in the inflorescenceSmaller number of nodes14.63 ± 0.24b12.7^0.000
24.89 ± 0.3b
37.90 ± 0.73a
Number of flowers producedFewer flowers produced146 ± 4.14c18.3^0.000
286.2 ± 10b
3185.6 ± 29c
SeedsSeed lengthLonger and wider seedsSeed in gigantism12.08 ± 0.02a84.680.000
21.8 ±0.02b
31.5 ± 0.02c
Seed diameter11.08 ± 0.03a24.140.000
20.8 ± 0.02b
30.86 ± 0.01b
GerminationLow percentageLess sexual reproduction130b1180.000
290a
390a
3111.02 ± 5.2a  
Number of nodes in the stemSmaller stem nodes111 ± 0.27b20.94^0.000
213.75 ± 0.31a
313.04 ± 0.72a
Leaf colorLess pigmentation in the leafDifferentiation in leaf color167.73 ± 1.03a4.130.02*
263.14 ± 2.7ab
359.04 ± 1.04b
Leaf areaSmaller leaf area16.59 ± 0.32a21.350.000
27.74 ± 0.29a
310.03 ± 0.47b
Number of teeth on the leafLess teeth111 ± 0.27b35.540.000
213.63 ± 0.38a
316.17 ± 0.53a
Rhizome LengthLongest rhizome with greater number of nodesGigantism in rhizome, greater asexual reproductive capacity13.96 ± 0.28a32.540.000
Number of rhizome nodes22.08 ± 0.23b
32.3 ± 0.21b
14.72 ± 0.26a79.160.000
22.51 ± 0.20b
31.72 ± 0.16c
  1. Different letters indicate significant differences. Significant level 0.001, * significant level 0.05