Principal component analyses (PCAs) of metabolomic data illustrating the samples (cases) belonging to different species (panel A) and variables (panel B; only the elucidated molecules are depicted).

<p>Species are indicated by different colors and shapes (green squares, <i>Alseis blackiana</i>; red triangles, <i>Tetragastris panamensis</i>; blue circles, <i>Heisteria concinna</i>). Organic acids (Orange): Tar;Tartaric acid, Cit;Citric acid (monohydrate), KG;α-Ketoglutaric acid, Lac;Lactic acid, Mal;L-(-)-Malic acid, Oxa;Oxalacetic acid, Pyr;Pyruvic acid, Shk;Shikimic acid, Suc;Succinic acid, Aminoacids (green): Ala;Alanine, Arg;Arginine, Asp;Asparagine, AspA;Aspartic acid, Glu;Glutamine, GlutA;Glutamic acid, Iso;Isoleucine, Leu;Leucine, Phe;Phenilalanine, Pro;Proline, ProH;Hydroxy-rolin, Ser;Serine, Thr;Threonine, Try;Trypthofan, Tyr;Tyrosine, Val;Valine, Phenolics Compounds (lilac): Api;Apigenine, CafA;Caffeic acid, Cat;DL-catechin, CGA;Chlorogenic acid, CouA;3-coumaric acid, DPi;D-Pinitol, Epic;(-)-epicatechin, FerA;Ferulic acid, GalA;Gallic acid, Hom;Homoorientin, Isov;Isovitexin, Kae;Kaempferol, Lut;Luteolin, PCA;protocatechuic acid, Que;Quercetin, Sap;Saponarin, SinA;Sinapic acid, SyrA;Syringaldehyde, Tax;Taxifolin, 3HBeA;3-hydroxybenzoic acid, VanA;Vanillic acid, Bases Nitrogen (light blue): Ad;Adenine, Ade;Adenosine, Gu;Guanine, Gua;Guanosine, Ur;Uracil, Terpenes (Brown): Cam;campesterol, Car;Carvone, Far;Farnesol, Sit;sitosterol, Sti;stigmasterol, Sugars (blue);, Ara;D-(+)-Arabitol+Xylitol, DeRib;2-Deoxy-D-ribose—fucose, rhamnosa, Dis;disacharide, Hex;hexose, Man;SumaD-Mannitol,Dulcitol,Sorbitol, NGlu;N-acetylD-glucosamine, Pen;pentosy, Raf;D-(+)-Raffinosepentahydrate(raffinose+maltotriose+melezitose), Others: Ado;Adonitol (Ribitol), Cho;Choline, GA9;Gibberellic acid (GA9), Nic;Nicotine, VitB5;Pantothenic acid (Vit B5), VitB6;Pyridoxine (Vit B6), VitC;Ascorbic acid (Vit C).