Fig. 4From: Meso- or xeromorphic? Foliar characters of Asteraceae in a xeric scrub of MexicoVariation of mesophyll in Asteraceae. a Artemisia ludoviciana (Tribe Anthemideae). b Baccharis salicifolia (Astereae). c Cosmos bippinatus (Coreopsideae). d Brickellia veronicifolia (Eupatorieae). Bar is 20 µmBack to article page