Anemia Sw.

1. Anemia Sw. Brazil is the center of diversity for this genus, with 65 recorded species, of which 40 are endemic to this country (Mickel 2016; Labiak 2023). Key for species of Anemia in the PNNRP, Brazil 1. Holodimorphic fronds; sterile fronds 2–3-pinnate; sterile pinnae 2–4 pairs, dichotomically divided, glabrescent...........................................................................................................................1.1. Anemia buniifolia 1’. Hemidimorphic fronds; sterile fronds 1-pinnate; sterile pinnae 5–11 pairs, not dichotomically divided, petiole hairy. 2. Laminae of fertile fronds larger than the sterile ones and overtaking them; petioles of fertile fronds (4.5–) 6.2–9.2 cm long ............................................................................................. 1.2. Anemia oblongifolia 2’. Laminae of fertile fronds approximately equal to the sterile ones and not overtaking them in length; petioles of fertile fronds 0.6–4.7(–6) cm long ..........................................................1.3. Anemia presliana