FIG. 5 in An update of the revision of Cyathea subgen. Alsophila sect. Gymnosphaera (Cyatheaceae) in Madagascar and the Comoros including a discussion of putative hybridization events

FIG. 5. — Cyathea rouhaniana Rakotondr. & Janssen: A, silhouette of a leaf; B, base of the petiole; C, scale from the base of the petiole; D, fertile pinnule with a fragment of the costa; E, sterile pinnule with a fragment of the costa; F, adaxial face of a costa fragment; G, abaxial face of a costa fragment; H, sporangia and paraphyses. A, Rakotondrainibe et al. 6958 (leaf A); B-H, Rakotondrainibe et al. 6958 (leaf B). Scale bars: A, 10 cm; B, 20 mm; C, 2 mm; D, E, 10 mm; F, G, 1.5 mm; H, 0.2 mm