OregonFlora species comparison

ascending, branched and forming a caudex;

scales dense; long and narrow, bicolored.

short and narrow; to about 30 × 3 cm.

well developed; up to half the leaf length;

petioles and rachises dark reddish brown; more or less glossy;

basal annular grooves lacking.

linear, bipinnate to simply pinnate distally;

proximal pinnae with short rachillae resembling the rachis, twisted out of plane;

leaves with bunches of pinnules superficially resembling a branch of rosemary or larch.

linear and needle-like; leathery, glabrous and glaucous;

margins strongly recurved; more or less crenate, forming a false indusium and covering the sporangia and most of the abaxial surface;

veins free, not visible.

completely covered by the recurved leaf margin; waxy glands and farina abundant.