Plumed Rockcap Fern

Description

They are terrestrial, ferns-rup-colas-or-epiphytes-;-With roots often prolific;-Rhizome,-creeping, scaly, dorsiventral (ie, leaves emerge only from the dorsal surface), scales not clad to subclate, linear-lanceolate to ovate, concolores, glabras or comosas;-Petioles articulated to filopods, teretes, sometimes winged;-Sterile and fertile monomorphic leaves;-Pectinate leaf (certain species have reflex basal segments or all ascending segments), narrowly oblong to linear;-Rachis furrow adaxially, scaly and / or hairless or glabrously abaxially;-Linear segments, adnexed to rachis, close to each other, whole;-Simple 2-bifurcated ribs, occasionally anastomosing;-Waxes present in certain species;-Longipediculated sporangia, with or without septum in the capsules near the ring;-With a number of chromosomes-of x = 37.-1