Fig. 6From: Meso- or xeromorphic? Foliar characters of Asteraceae in a xeric scrub of MexicoMidvein of some Asteraceae species. a. Montanoa grandiflora (Tribe Heliantheae). b Ageratina pichinchensis (Eupatorieae). c Picris echioides (Cichorieae). d Baccharis salicifolia (Astereae). e Acourtia cordata (Nassauvieae). Bar is 300 µm in a–c, 100 µm in d Back to article page