Small to medium size, pendulous epiphytes. Rhizome filiform, long-creeping with spaced fronds, bearing roots. Fronds stalked, the stipes sometimes winged, the rachis winged or terete, the lamina ovate, +/- flabellate or pinnately compound with single-veined ultimate segments, membranous, margins entire, with plane, branched, stellate or simple hairs on the axes, margins, involucres and sometimes on the lamina surface. Sporangia sessile, borne on a short columnar receptable, terminal on the segments and protected by an bivalved invoucre (indusium) celft almost to the base, the receptacle completely included; parphyses lacking, annulus complete, oblique. Spores trilete, globose.
Species in Papuasia
|1a.||Hair branches few, ascending||S. obtusatum|
|Hair branches spreading, mostly 4 or more||S. pilosissimum|