familyPsilotaceae
Show Lower Taxa
Difference between revisions of "Psilotaceae"
Common names: Whisk fern Family
Treatment appears in FNA Volume 2. Treatment on page 16.
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Revision as of 20:24, 5 November 2020
Plants perennial, terrestrial or epiphytic, with corallike, rhizoid-bearing, branched, subterranean axes. Roots absent. Aerial shoots simple or dichotomously branched; appendages leaflike or bractlike, alternate to subopposite, veinless or 1-veined, less than 1 cm. Synangia globose, of 2–3 fused, homosporous eusporangia, solitary in axils of shoot appendages, dehiscing loculicidally. Spores many, reniform, not green. Gametophytes subterranean, mycotrophic, fleshy, elongate, and branched.
Distribution
Worldwide in tropical regions.
Discussion
Genera 2, species 4–8 (1 genus, 1 species in the flora).
Selected References
None.
Lower Taxa
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