FIGURE 3 in A taxonomic monograph of the fern genus Ctenitis (Dryopteridaceae) in South America

FIGURE 3. Lamina dissection of Ctenitis from South America. A: lamina 1-pinnate-pinnatifid to 1-pinnate-pinnatisect (basally), rachis more or less straight, from C. christensenii (Salino 13408, BHCB, from Viveros & Salino 2015). B: lamina 2-pinnate-pinnatifid, rachis flexuous, from C. flexuosa (Luederwaldt 1890, UC). C: medial portion of a lamina 2-pinnate-pinnatifid, rachis more or less straight, from C. ampla (Humboldt s.n., B). Scale bars = 4 cm.