Dicranopteris

Bernhardi

Neues J. Bot. 1(2): 38. 1805.

Common names: Forking ferns
Etymology: Greek dikranos, twice-forked, and pteris, fern, derived from pteron, feather, in reference to the leaf architecture
Treatment appears in FNA Volume 2.
Revision as of 21:11, 27 May 2020 by imported>Volume Importer

Stems long-creeping; hairs many celled, rigid to lax. Leaves usually separated several centimeters, of apparently indeterminate growth; pinnae opposite, in 1–several pairs, each pinna 1–many times forked, equal, each fork bearing arrested apex (bud) covered with tuft of hairs (all other axes glabrous) and pair of stipulelike appendages. Penultimate segments pectinate, in ± equal pairs, usually ascending. Veins 2–4-forked. Sori with 6–15 or more sporangia, not paraphysate. Spores trilete.

Distribution

Nearly worldwide in tropical and subtropical regions.

Discussion

Species 8–12 (1 in the flora).

Selected References

None.