English: Largeleaf Twinsorus ferns; Large Leaved Wood Fern.
Spanish: Helecho Hoja Grande; Helecho Carajo.
Clades:
Onocleaceae;
Aspleniales;
Aspleniidae;
Polypodianae;
Pteridophyta;
PlantsGenus: ± 400 species.
Name: Greek diplazein means double.
Region: Mid America, South America, Carribean.
Habitat: tropical, few temperate; moist woods and thickets.
Use: ornamental, in landscaping.
TaxonomyThe taxonomy of Diplazium is difficult and poorly known, and by 2009 has never been the subject of a complete monographic study. Diplazium has been placed in
Athyriaceae,
Dryopteridaceae,
Aspleniaceae,
Polypodiaceae families or in their own family. The Pteridophyte
Phylogeny Group classification of 2016 places the genus in the
Athyriaceae.
BotanyFern.
Stem: rhizome creeping to erect, scaly.
Leaves: deciduous or evergreen; green; glossy; trophopodic; monomorphic or weakly dimorphic; stipe is green, deeply grooved from above, either scaly or glabrous; with two lunate vascular bundles; singular or in sets of two; entirely pinnate, from oblong-lanceolate to deltate, herbaceous to papery; with articulated, finely toothed pinnules.
Sori: basal; paired back-to-back on the same vein; indusium is linear and persistent; sporangia are brownish.