毛杆蕨属 mao gan jue shu

Plants epiphytic or terrestrial. Rhizome stout, erect or ascending, bearing several fronds in a tuft. Stipe and rachis columnar, both covered with long hairs. Lamina large, tripinnate to quadripinnatifid, soft in texture, internal cell walls thin, straight; ultimate segments narrowly linear, entire. Sori apical on short acroscopic segments; involucres obconic or urn-shaped, with truncate mouth, mouth entire or sometimes bilabiate; receptacles projecting.

Five species: mostly in Asian tropics, from Malaysia and Indonesia (Sumatra) across China to Polynesia, south to Australia; one species in China.

Lower Taxon

• Callistopteris apiifolia (C. Presl) Copeland