Figs. 4. A-D in Taxonomic survey of the Araceae Juss. in the coastal region of Piauí state, northeast Brazil, including the Rio Parnaíba Delta

Figs. 4. A-D. Araceae from the coastal region of Piauí. A. Spathicarpa gardneri Schott, plant on ground seen from above, inflorescence in side view (detail); B. Taccarum ulei Engl. & K. Krause, surface view of single leaf, inflorescence and petiole (detail); C. Wolffiella lingulata (Hegelm). Hegelm., population of numerous plants in habitat, two plants (detail); D. Wolffiella oblonga (Phil.) Hegelm., plants floating in specimen dish. Bars Fig. A = 0,9 cm; Fig. B = 5,7 cm; Fig. C = 0,2 mm; Fig. D = 0,5 mm.