Baccharis articulata

Baccharis gaudichaudiana D. C. ( Chilca melosa ) and Baccharis articulata (Lam.) Pers. ( Carquejilla ) are used traditionally as decoctions or infusions as an antidiabetic remedy in Paraguay [13],... 

At one time, B. gaudichaudiana was taxonomically classified as a varietal form of Baccharis articulata (Lam.) Pers., a widely utilized medicinal plant in several South American countries. However, when B. articulata was examined for its constituents, neither gaudichaudiosides A-F nor any labdane diterpenoids were found to be present. These observation thereby offer chemotaxonomic substantiation for classifying these two taxa as separate species (97). 

The UV/Visible spectra of populations of two species, Baccharis articulata (Lam.) Pers. and B. trimera can be seen in Figure 2. In this figure it is difficult to distinguish which spectrum corresponds to which species, but the resolution is greater when PCA is applied (Figure 3) and different coordinates can be seen for the corresponding populations of one species or another. 

Fig. 2. Absorption UV/Visible spectra. A, Baccharis articulata (Ba) B, Baccharis trimera (Bt) populations. BA, Buenos Aires COR, Coriientes ER, Entre Rios SF, Santa Fe. Numbers indicate when there is more than one population of the same species...

Antioxidant activity of Baccharis articulata extracts isolation of a new compound with antioxidant activity. Free Radical Research, Vol 37, No. 5 0anuary 2003), pp.555-559, ISSN 1071-5762. 

Gianello, J.C., and O.S. Giordano Barticulidiol, un nuevo furano diterpeno aislado de Baccharis articulata Lam (Persoon). Rev. Lationamer. Quim. 13, 76... 

From another Argentinian Baccharis species, B. articulata, three diterpenes of neo-clerodane type, articulin, Fig. (3), articulin acetate and barticulidiol, Fig. (4), together with the known bacchotricuneatin A, Fig. (5), were isolated [22,23],... 

Other endemic species from Argentina such as B. articulatci, Baccharis myrtilloides (Mart.) Pax and Baccharis rufescens Spreng. found in the region of Traslasierra Valley were also investigated [67], The major constituents of their essential oils were for B. articulata (3-caryophyllene (16.8%), Fig. (32) and nerolidol (15,6%), Fig. (29) for B. myrtilloides germacrane D (9.5%), Fig. (31) and for B. rufescens limonene (14.4%), Fig. (33) and nerolidol (14.5%), Fig. (29). 

Table 1. Collection data of analysed samples of Baccharis species. The abbreviation mean species Ba, B, articulata Be, B. crispa Bg, B, gaudichaudiana Bm, B. microcephala Bp, B. penningtonii Bphy, B, phyteumoides Bs, B, sagittalis Btr, B. triangularis Bt, B. trimera provinces BA, Buenos Aires CHU, Chubut CO, Cordoba COR, Corrientes ER, Entre Rios FO, Formosa LP, La Pampa MI, Misiones RN, Rio Negro SF, Santa Fe SL, San Luis. Numbers indicate when there is more than one population of the same species. Material extracted from Herbarium Names of collectors, numbers not provided by the Herbarium.

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