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Polypodium

The genus Polypodium includes about 160 species of subcosmopolitan distribution, with maximum diversity in tropical areas. This epiphytic and terrestrial genus is characterized by adnate pinnae, once-pinnate fronds, on a thick, long-creeping and branching rhizome on surface. Big, round, yellow orange sori, without indusium, appear in autumn, on the pinnae underside. Three species and 2 recognized hybrids in European flora : P. interjectum, P. cambricum, P. vulgare, P. x shivasiae and P. x mantoniae. In the Polypodium genus, the species come in many subspecies and varieties, and hundreds of cultivars, especially for P. cambricum. British amateurs and botanists have particularly devoted themselves to identifying, describing and listing, numerous variants and cultivars, since the nineteenth century. To be identify with certainty, European species and hybrids need an thorough observation with a microscope.


  • Polypodium vulgare 'Parsley'

    Family : Polypodiaceae.

    A cultivar with a very abundant appearance, delicately finely cut fronds, tripinnatifid, with narrow segments. The rhizome is creeping and branching slowly. This fern is drough resistant and can be grown in any drained soil, acidic or calcareous. Evergreen. Height : 25/30cm. Hardiness : -20°C.

    From 18.00 €
  • Polypodium vulgare 'Trichomanoides Backhouse'

    Family : Polypodiaceae.

    This cultivar presents two kinds of fronds. The laminae are tripinnate to quadripinnate. The rhizome is creeping. It is suitable for an acidic or basic, humusy, drained soil, in the shade. Evergreen. Height : 15/30cm. Hardiness : -30°C.

    From 14.00 €
  • Polypodium x mantoniae

    Family : Polypodiaceae.

    It is a hybrid between P. interjectum and P. vulgare. The lamina is quite broad, gradually reduced to the apex. The young fronds appear in summer. The rhizome is branching and creeping on the surface. It is a strong ground cover, for screes, banks, rockeries, in a humusy cool and drained soil, acidic or alkaline, in the shade or partial sun. Evergreen. Height : 20/65cm. Hardiness : -25°C.

    From 14.00 €
  • Polypodium x mantoniae 'Cornubiense'

    Family : Polypodiaceae.

    Cornish polypody.

    Exuberant and luxuriant polypody, presenting different types of fronds, very finely cut, tripinnate, some are bifurcate, bipinnatifid. With its branching and creeping rhizome, it colonises but does not invade. For an acidic or alkaline, humusy and drained soil, in light shade or sun, according to the region. Evergreen. Height : 30cm. Hardiness : -25°C.

    From 14.00 €
  • Polypodium x shivasiae

    Family : Polypodiaceae.

    Hybrid between P. cambricum and P. interjectum. Pinnate broad fronds, with the apex abruptly reduced to a long nib. The young fronds appear in late summer. The rhizome is creeping on the surface. It is a strong ground cover, for screes, banks, in the shade or partial sun, in a humusy and drained, chalky or acidic substrate. Evergreen. Height : 30/60cm. Hardiness : -20°C.

    From 12.00 €