FIG. 35 in A revision of the indusiate scaly tree ferns (Cyatheaceae, Cyathea subgen. Alsophila sect. Alsophila) in Madagascar, the Comoros and the Seychelles

FIG. 35. — Cyathea concava Bonap.: A, pinnule segments abaxially with a fragment of the costula (at the junction with the costa); B, fertile pinnules abaxially with a fragment of the costa, sori only partly indicated; C, sterile pinnule abaxially with a fragment of the costa; D, habit; E, scale from the base of the petiole; F, basal part of the leaf (from the petiole base up to the first pinna pair, one pinna pruned), lateral view; G, leaf scars and trunk surface. A, B, D, F, G, Janssen et al. 2565 (P); C, Janssen et al. 2564 (P); E, Janssen et al. 2579 (P). Scale bars: A, E, 0.5 cm; B, C, G, 1 cm; D, 1 m; F, 5 cm.