Filmy fern

Description

Hymenophyllum holochilum belongs to the subgenus HymenophyllumThis species has the following characteristics: its rhizome is long and filiform and partly covered with hair; the fronds, six to fifteen centimeters long, of which two to five for the petiole, one to three centimeters wide, have an oblong or lanceolate-oblong blade divided twice; the segments are simple or sometimes dividing towards the apex; The sori, solitary, are borne by the extremity of a segment, mainly at the terminal part of the limb; the indusie is formed two oblong lips, whole and regular; this characteristic is at the origin of the specific epithetclusters of sporangia are completely covered by industry.