FIGURE 2. Chresta artemisiifolia. A. Habit. B–C in Chresta artemisiifolia (Vernonieae, Asteraceae), a new endangered species from a recently created protected area in the Brazilian Caatinga

FIGURE 2. Chresta artemisiifolia. A. Habit. B–C. Details of branches showing the leaves with constricted blades. D. Comparison between leaves of C. martii (left) and C. artemisiifolia (right). E–F. Syncephalia with open florets. G. Microscopic section showing the cells of the carpopodium wall, the glands above the carpopodium and the twin-hairs. H. Microscopic section showing the tips of the petals, with short, simple trichomes and globular glandular trichomes. A.–H. by C.M. Siniscalchi.