FIG. 20. — Cyathea approximata Bonap.: A, basal part of the leaf (from the petiole base up to the first four pinna pairs), dorso-lateral view, note the minute scales on the petiole, the pinnae are pruned away on one side; B, pinnules abaxially with a fragment of the costa; C, habit; D, sori, note the dense scaly paraphyses inserted on the apex of the receptacle; E, pinnae abaxially with a fragment of the rachis, sori only partly indicated; F, scales from the base of the petiole (left: minute scale from the adult petiole; right: filiform scale from a crozier); G, leaf scars, note that the trunk surface is smooth. A, B, D-G, Janssen et al. 2449 (P); C, uncollected, photograph at P. Scale bars: A, 5 cm; B, E, G, 1 cm; C, 1 m; D, F, 0.1 cm.