ROCK FERN

ROCK FERN

POLYPODIUM VALGARE

Smallish evergreen fern of rock crevices, 10 - 25 cm high; fronds form a network of spreading, mat-like rhizomes. Leaves - single; leathery, green, erect or spreading; blade elongated, tapering to a pointed tip, deeply cut almost to the central axis; leaflets almost altemate, hairiess, margins entire or shallowly toothed, blunt-tipped; central axis basically winged; leafstalk lightly scaled near the base. $7.00/sq. ft.