Fig. 5From: Meso- or xeromorphic? Foliar characters of Asteraceae in a xeric scrub of MexicoVariation of mesophyll in Asteraceae. a Jaegeria hirta (Tribe Millerieae). b Montanoa grandiflora (Heliantheae). c Sonchus oleraceus (Cichorieae). d. Pittocaulon praecox (Senecioneae). Bar is 20 µmBack to article page