裂禾蕨属 lie he jue shu

Authors: Shannjye Moore & Barbara S. Parris

Polypodium sect. Tomophyllum E. Fournier, Ann. Sci. Nat., Bot., sér. 5, 18: 283. 1873.

Plants small to medium-sized, epiphytic. Rhizomes radial, stipes in whorls; scales not clathrate, reddish brown, glabrous or with apical and/or marginal hairs. Stipe not articulate, phyllopodia absent. Lamina pinnate or deeply pinnately divided to narrow wing along rachis; veins in pinnae pinnately branched, simple, free, each vein ending with a hydathode on adaxial surface. Sori more than 1 per pinna. Sporangia glabrous. Hairs simple eglandular; 1-3-forked hairs with eglandular branches sometimes also present.

About 22 species: India, Nepal, Sri Lanka to Australia and Pacific islands; one species in China.

Lower Taxon

• Tomophyllum donianum (Sprengel) Fraser-Jenkins & Parris